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Question 1088761: If f(x)=x^2 -1 and g(x)=1/x, write the expression f(g(x)) in terms of x.
A. (1+x)(1-x) over x^2
B. (1+x) over x^2
C. (1-x) over x^2
D. 1/x^2

Click here to see answer by Boreal(15235)

Question 1088767: If f(x)=x+7 and f(g(2))=3, which if the following functions could be g(x)?
A. X-6
B. X+6
C. 3x-1
D. 2x-1
Click here to see answer by Boreal(15235)

Question 1088764: If f(x)= x-1 over x+2 and f(g(x))= 1/x, then which of the following could be g(x)?
A. 2+x over x-1
B. x+2 over x-1
C. (x+1)(x+2)
D. x-2 over x-1
Click here to see answer by MathLover1(20849)

Question 1088776: Mina tosses two number cubes labeled 1 to 6. What is the probability that the sum is equal to 5?

Click here to see answer by josmiceli(19441)

Question 1088766: Let the function f be defined by
F(x)=x^2+28. If f(3y)=2f(y), what is the one possible value of y?
A)-1
B)1
C)2
D)-3
Click here to see answer by MathLover1(20849)

Question 1088777:
Click here to see answer by Alan3354(69443)

Question 1088831: The measure of one angle is seven more than three times the measure of another angle. If the two angles are supplementary, find the positive difference of the measures of the two angles.
Click here to see answer by josgarithmetic(39617)

Question 1088762: Let the function g be defined by: g(x)=2x+1. If 1/3(g)(x^2)=1, what could be the value of x?
A. 0
B. 1
C. 2
D. 3
Click here to see answer by MathLover1(20849)

Question 1088803: Find the time it takes for $9,800 to double when invested at an annual interest rate of 10%, compounded continuously. Round your answer to 4 decimal places.
Click here to see answer by mathmate(429)

Question 1088801: How much would you need to deposit in an account now in order to have $6000 in the account in 15 years? Assume the account earns 6% interest compounded monthly.
Click here to see answer by mathmate(429)

Question 1088804: Find the time it takes for $980,000 to double when invested at an annual interest rate of 10%, compounded continuously. Round your answer to 4 decimal places.
Click here to see answer by Fombitz(32388)

Question 1088799: Find how much money needs to be deposited now into an account to obtain $1,700 (Future Value) in 12 years if the interest rate is 4.5% per year compounded continuously.
Click here to see answer by mathmate(429)

Question 1088868: (3-√-4 + (5-2√-9))=
A)8i
B)8
C)8-8i
D)8+8i
Click here to see answer by MathLover1(20849)

Question 1088870: i^24 + i^25 + i^26 + i^27 =?
A. 1
B. i
C. 0
D. -i
Click here to see answer by Fombitz(32388)

Question 1088870: i^24 + i^25 + i^26 + i^27 =?
A. 1
B. i
C. 0
D. -i
Click here to see answer by ikleyn(52781)

Question 1088872: In a+bi form, the reciprocal of 2+5i is
A)2/29 - 5/29i
B) -2/21 - 5/21i
C)1/29 +5/29i
D)2/21 - 5/21i

Click here to see answer by josmiceli(19441)

Question 1088869: If the sum of the firstn terms of a G. P. is represented bySn, then prove that
Sn (S3n �S2n) = (S2n �Sn)^2
Click here to see answer by ikleyn(52781)

Question 1088866: Find the sum of the following sequence :
2, 22, 222, ......... to n terms.
Click here to see answer by ikleyn(52781)

Question 1088875: Equation (x+2)(x+a)=x^2 + 4x+b where a and b are constants. If the equation is true for all values of x, what's the value of b?
A. 8
B. 6
C. 4
D. 2
Click here to see answer by ikleyn(52781)

Question 1088877: x-2 is a factor of x^2 -ax-8, what's the value of a?
A)2
B)4
C)-4
D)-2
Click here to see answer by ikleyn(52781)

Question 1088882: In the xy plane, the point (-1,2) is the minimum of the quadratic function f(x)=x^2+ax+b. What's the absolute value of a-2b?
Click here to see answer by Fombitz(32388)

Question 1088882: In the xy plane, the point (-1,2) is the minimum of the quadratic function f(x)=x^2+ax+b. What's the absolute value of a-2b?
Click here to see answer by MathTherapy(10552)

Question 1088882: In the xy plane, the point (-1,2) is the minimum of the quadratic function f(x)=x^2+ax+b. What's the absolute value of a-2b?
Click here to see answer by ikleyn(52781)

Question 1088885: If h(x)=6+x^2/4 and h(2m)=5m, what's one possible value of m?
Click here to see answer by Fombitz(32388)

Question 1088881: The axis of symmetry for f(x)=x^2 + 3x-2 is x=?
A. 3
B. -1
C. 1
D. -1.5
Click here to see answer by Fombitz(32388)

Question 1088881: The axis of symmetry for f(x)=x^2 + 3x-2 is x=?
A. 3
B. -1
C. 1
D. -1.5
Click here to see answer by MathTherapy(10552)

Question 1088886: In the xy plane, the graph of y=x^2+1 intersects the line m at (a,2) and (b,5). What's the greatest possible slope of m?
Click here to see answer by Fombitz(32388)

Question 1088903: 2) if a+bi=2+i / 1+i what is the value of a+b
A) a=1 b=3
B) a=-1/2 b=-3/2
C)a=3/2 b=-1/2
D)a=1/2 b=-3/2
Click here to see answer by Boreal(15235)

Question 1088903: 2) if a+bi=2+i / 1+i what is the value of a+b
A) a=1 b=3
B) a=-1/2 b=-3/2
C)a=3/2 b=-1/2
D)a=1/2 b=-3/2
Click here to see answer by ikleyn(52781)

Question 1088905: H(t)= -5t^2 + at + b
At time t=0, a ball was thrown upward from the top of a building. Before the ball hit the ground, its height h(t), in feet, at the time t seconds is given by the function above. A and b are constants. If the ball reached its maximum height of 125 feet at time t=3, what could be the height of the building?
Click here to see answer by jorel1380(3719)

Question 1088902: 1) If a-bi = 2+i / 1-i which of the following is true
A) a=1 b=3
B) a=-1/2 b=-3/2
C) a=3/2 b=1/2
D)a=1/2 b=-3/2
Click here to see answer by MathLover1(20849)

Question 1088874: 1) If a-bi = 2+i / 1-i which of the following is true
A) a=1 b=3
B) a=-1/2 b=-3/2
C) a=3/2 b=1/2
D)a=1/2 b=-3/2

2) if a+bi=2+i / 1+i what is the value of a+b
A) a=1 b=3
B) a=-1/2 b=-3/2
C)a=3/2 b=-1/2
D)a=1/2 b=-3/2
Click here to see answer by MathLover1(20849)

Question 1088884: 2) if a+bi=2+i / 1+i what is the value of a+b
A) a=1 b=3
B) a=-1/2 b=-3/2
C)a=3/2 b=-1/2
D)a=1/2 b=-3/2
Click here to see answer by ikleyn(52781)

Question 1088880: H(t)= -5t^2 + at + b
At time t=0, a ball was thrown upward from the top of a building. Before the ball hit the ground, its height h(t), in feet, at the time t seconds is given by the function above. A and b are constants. If the ball reached its maximum height of 125 feet at time t=3, what could be the height of the building?
Click here to see answer by ikleyn(52781)

Question 1088938: $3000 was invested:
Karen invests the money in a 3 year fixed term investment account paying 4.8% interest compounding quarterly. She withdraws her money after 3 years.
Click here to see answer by Theo(13342)

Question 1088883: 1) If a-bi = 2+i / 1-i which of the following is true
A) a=1 b=3
B) a=-1/2 b=-3/2
C) a=3/2 b=1/2
D)a=1/2 b=-3/2

Click here to see answer by josgarithmetic(39617)

Question 1088883: 1) If a-bi = 2+i / 1-i which of the following is true
A) a=1 b=3
B) a=-1/2 b=-3/2
C) a=3/2 b=1/2
D)a=1/2 b=-3/2

Click here to see answer by math_helper(2461)

Question 1088883: 1) If a-bi = 2+i / 1-i which of the following is true
A) a=1 b=3
B) a=-1/2 b=-3/2
C) a=3/2 b=1/2
D)a=1/2 b=-3/2

Click here to see answer by ikleyn(52781)

Question 1088955: Jerry worked 10 more overtime hours than Andrew one week. If Jerry worked 4 overtime hours for every 3 hours that Andrew worked for how many hours of overtime did each person work? Round your answer to the nearest tenth of an hour if necessary
Click here to see answer by MathLover1(20849)

Question 1088913: The world is three dimensional, but drawings are done in a two dimensional surface, we know that railroad tracks are parallel, but to create a feeling of depth in a drawing, tracks are often drawn as though they meet The point where they seem to meet is called a vanishing point. This technique is called perspective drawing.
Strong Armed Laborer: To build the track of the Canadian Pacific railroad, a freight loaded with was hauled to the end of the trails. Workers carried the crossties farther down the roadbed to extend the rails.
Legendary Locomotive: During the Civil War, the engine was hijacked by soldiers who planned to up a bridge, Confederate troops pursued them, and an 18 hour, 139 km (87 mile chase, caught up with the engine and recaptured it.

Spanning Three Generations These three trains represent more than 25 years of development, the original "Bullet Train" was built in 1964. Series 300 was built in 1992. It has a top speed of 168 mi/h.
1. Draw a set of railroad tracks such that the lengths of horizontal ties form a geometric sequence.
2. Write the first four terms of the sequence.
3. Write a recursive formula for the sequence.
4. Write an explicit formula for the sequence.
Please explain with detailed steps
Click here to see answer by ikleyn(52781)

Question 1088981: If the value of r = -.35, find the coefficient of non-determination:
a. 65%
b. 35%
c. 42.25%
d. 12.25%
e. 57.75%
f. 87.75%
g. None

Click here to see answer by Fombitz(32388)

Question 1088992: jaypee calculated his total revenue for the night to be P54,540. a total of 540 tickets and souveneirs were sold. If a ticket sold at P112 each and the souvenier cost P68, how much tickets were sold?
Click here to see answer by Boreal(15235)

Question 1088989: In Spring 2010, some dealers offered a cash-back allowance of $1500 or 1.9% financing for 36 months on a Volkswagen Tiguan.
a) Determine the payments on a Volkswagen Tiguan if a buyer choose the
1.9% financing option and needs to finance $25,000 for 36 months,
compounded monthly.
Find the total amount the buyer will pay for this option.
b) Determine the payments on a Volkswagen Tiquan if a buyer chooses the
cash-back option and now needs to finance only $23,500. At the time, it was
possible to get a new car loan at 6.33% for 48 months, compounded monthly.
Find the total amount the buyer will pay for this option.
c) Discuss (write about) the pros and cons of each option. Give reasons for taking each.
Click here to see answer by mathmate(429)

Question 1089021: Please help me this equation 2y+ ( 4�-3y)
Click here to see answer by ikleyn(52781)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560