Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Question 268018: How to solve: f(x)=(3x+2)/x
Inputs are: f(1), f(2)
Click here to see answer by stanbon(75887)

Question 268282: Find the x intercepts and the vertex of the parabola. (Enter answers from smallest to largest. If there are any unused answer boxes, enter NONE in the last boxes.) f(x)= 4x squared-64
Click here to see answer by Alan3354(69443)

Question 268290: 2/7x = 4 2/3
Click here to see answer by rfer(16322)

Question 268287: 6/7x = 10 1/2
Click here to see answer by rfer(16322)

Question 268486: (f x g x h)(2) ; where , , h(x)=
Click here to see answer by drk(1908)

Question 268519: 72. Geometry - Write the area A of an equilateral triangle as a function of the length s of its sides.
I need help. Thanks
Click here to see answer by stanbon(75887)

Question 268519: 72. Geometry - Write the area A of an equilateral triangle as a function of the length s of its sides.
I need help. Thanks
Click here to see answer by solver91311(24713)

Question 268876: Find the domaicc of the function.
f(x)=x^4-2x^3+7 / 2x^2-10-8
Click here to see answer by stanbon(75887)

Question 268973: 2x over y minus 4z
X=9 y=3 z= -1
Click here to see answer by persian52(161)

Question 268973: 2x over y minus 4z
X=9 y=3 z= -1
Click here to see answer by user_dude2008(1862)

Question 269039: How do you find the domain of f(x)=9/(2+log(3x))?
Click here to see answer by stanbon(75887)

Question 269042: How to solve (x-7/5)(x+5/7)?
Click here to see answer by stanbon(75887)

Question 269041: How do you find the domain of f(x)=(x^2)ln(15-2(x^2))
Click here to see answer by stanbon(75887)

Question 269435: find f+g, for f(x)=3x-6 and g(x)=4x+1
Click here to see answer by JBarnum(2146)

Question 269435: find f+g, for f(x)=3x-6 and g(x)=4x+1
Click here to see answer by drk(1908)

Question 269455: Find the vertex of the parabola:
f(x)=3x^2-24x+43
Click here to see answer by drk(1908)

Question 269463: Solve the equation by completing the square:
p^2+3p-9=0
Click here to see answer by drk(1908)

Question 269503: Given the function G(w)=|w|-1 find each of the following:
1. G(-54)=
2. G(53)=
3. G(3/4)=
4. G(-3)=
Click here to see answer by drk(1908)

Question 270101: Determine the value of f(2) = 3x+7
Click here to see answer by palanisamy(496)

Question 270233: are all linear equations functions?

Click here to see answer by jim_thompson5910(35256)

Question 270268: At work one day, Erica recieved 9 packages.Speedy delivery delivered three times as many as Ralphs express.While Ralphs express delivered one more than send quick package service. How many packages did each deliver to erica?
Click here to see answer by lil-man(10)

Question 270725: Consider the functions p={(1/3,6),(2,-8),(1,4),(6,6)} and q = {(1,2),(3,2),(-2,-3),(6,7)}
Find the value of q(6)
PLEASE. THANKS
Click here to see answer by dabanfield(803)

Question 270806: X = Y4

Click here to see answer by JBarnum(2146)

Question 270955: Solve (x-5)sqrt=3
Click here to see answer by JBarnum(2146)

Question 270954: Solve xsqrt+7=43
Click here to see answer by Zyzden(7)

Question 270992: How do you solve g(h(x)) when g(x)=3/(x+1) and h(x)=(x+5)/2?
Click here to see answer by drk(1908)

Question 271361: What is the range of the function y=-2xsquared+x when the domain is {1,3,5}?
Click here to see answer by LarissaRichardson(34)

Question 271710: find the domain of the function. g(x)= 6 / 3-7x
Click here to see answer by dabanfield(803)

Question 271775: Find the domain of the function

potential answers
x is not equal to 6
x> or equal to 3/7
x is not equal to 0
x not equal to 3/7

Click here to see answer by jim_thompson5910(35256)

Question 271778: Decide whether the pair of lines is perpendicular, parallel or neither
4x+5y=1
4x+5y=8

Click here to see answer by Fombitz(32388)

Question 272269: Write a linear function equation for this table of values. Using this equation or the table itself, find the value of f(1).

x f(x)
4 13
2 7
0 1
-1 -2
Click here to see answer by Earlsdon(6294)

Question 272735: Given the function k described by k(x)=x+8, find each of the following. k(0)= ??
Click here to see answer by jim_thompson5910(35256)

Question 272737: Given the function f described by f(x) =6x, find each of the following. f(-12)=?? The multiple choices are: f(-12), f(1), f(28)
Click here to see answer by jim_thompson5910(35256)

Question 272871: If the Domain is (3,3) can it be written as just (3)
Click here to see answer by jim_thompson5910(35256)

Question 273851: I am completely stumped on this question.
Given (f+g)(x)=10-3x and (f-g)(x)=5x-14, find f(x) and g(x).
Thanks so much.
Click here to see answer by jim_thompson5910(35256)

Question 273994: Evaluate f(x)= 4x^2 - 2 for f(1/2)
Click here to see answer by jim_thompson5910(35256)

Question 274163: for f(x) = -3x + 4, find f(x) when x= -2
Click here to see answer by fractalier(6550)

Question 274268: find f(3)/g(1)
f(x)=x^2-x and g(x)=3x+2
Click here to see answer by checkley77(12844)

Question 274408: what equation is parrellel to y=4/3x + -3
Click here to see answer by josmiceli(19441)

Question 274594: How would I solve this? The gravitational force between two objects varies inversely as the square of the distance between the objects. If a force of 25 pounds results from two objects that are 6 miles apart, how much force results from two objects that are 15 miles apart?
Click here to see answer by Alan3354(69443)

Question 274697: ummm hi. My name is Rachel Smith. I am going to take the Alabama High School Graduation Exam on Monday for Algebra I. I don't remember anything from the previous semester. Can you help me? Can you give me some things I need to study? I am so nervous I don't know where to start.
Click here to see answer by JBarnum(2146)

Question 274719: Determine whether the correspondence is a function.
Celebrity~~~~~~~~~~~~~~~~ Birthday

Sigourney Weaver~~~~~~~~~~~ October 8
Jesse Jackson~~~~~~~~~~~~ October 8
Chevy Chase ~~~~~~~~~~~~~~ October 8

Muhammad Ali~~~~~~~~~~~~January 17
Jim Carrey~~~~~~~~~~~~~~January 17

Thank you for your help!
Click here to see answer by jim_thompson5910(35256)

Question 274913: If g(x)=x^2+4x+2 find g(2) and g(x+2)
so far I have
g(2)= 2^2+4(2)+2
g(2)= 4+8+2
g(2)= 14
g(x+2)= (x+2)^2 + 4(x+2)+2
= x^2 + 4 + 4x + 8 + 2
= x^2 + 4x + 14
I'm not sure if I should replace x with 2 or 14?
Click here to see answer by JBarnum(2146)

Question 274931: 1. Determine the domain of f in f(x) = 10 - square root of 3 -x
2. What is the function which would intersect the y-axis 2 positions up (vertical) from the function F(x)=x^2?
3. For f(x) = 4x+1 and g(x)=x^2-2x-4 find (g-f)(x)
Click here to see answer by user_dude2008(1862)

Question 275011: Write a linear function g given that g(0)=5 and g(10)=9. Answers are multiple choice
a. g(x)=5/2x-5
b. g(x)=5/2x+5
c. g(x)=2/5x-5
d. g(x)=2/5x+5
I dont understand how to figure out how to get the answer. Thanks for your help

Click here to see answer by jim_thompson5910(35256)

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