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

Algebra ->  Functions -> Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!      Log On


   



Tutors Answer Your Questions about Functions (FREE)


Question 759006: How do you find the graph of C(x)=(2x+5)/(x+1)
Click here to see answer by Alan3354(69443) About Me 

Question 759031: Please help me with this equation a graphing relation
x = 1 -y^2

Click here to see answer by MathLover1(20850) About Me 

Question 758959: Find the domain:
f(x)=3x^(2)+1

Click here to see answer by jim_thompson5910(35256) About Me 

Question 759629: What is a if f(a)=1 and f(x)=2x
Click here to see answer by stanbon(75887) About Me 

Question 760021: Please help me answer what is the Domain of the following equations and maybe some possible explanations as to how to get them/ arrive at the answer. The relations are as follows:
1) y= 7-3x
2) y= the square root of 5x+3
3) x^2 + y^2 is <_ (greater than or equal to) 9
4) y= the square root of 16-x^2
5) y= 2x/1-x^2
PLEASE REPLY ASAP because i want to learn how to arrive at the answer and the answer to these relations..

Click here to see answer by KMST(5328) About Me 

Question 760059: A= [2 -4 6 0] B= [-2 4 -6 0], A-B = ?
Click here to see answer by rothauserc(4718) About Me 

Question 760115: Consider the function f(x)= In(x-3). Find the inverse of f and call this function g(x). Evaluate g(5)..... I do not understand this problem or why we are switching from f to g.. Help me please!!!!
Click here to see answer by josgarithmetic(39618) About Me 

Question 760114: Given f(x)= x/(x^2-4),find and simplfy f(3x). Im so confused help please!!
Click here to see answer by josgarithmetic(39618) About Me 

Question 760261: How do i find the range of f(x)=1%2F%28x%5E2%2B3x%2B5%29
Click here to see answer by reviewermath(1029) About Me 

Question 760379: f(x)=4/(x+2) find inverse function f^-1(x)
Click here to see answer by MathLover1(20850) About Me 

Question 760448: Find the range of the function.
f(x) = (x - 2)^2 + 2

Click here to see answer by josgarithmetic(39618) About Me 

Question 760451: The gragh of the polynomial function P(x)is shown.
list the real zeros of P(x).
List the turning points of P(x).
State the left and right behavior of P(x).

Click here to see answer by nerdybill(7384) About Me 

Question 760528: Please help me answer and give some explanations as to how to solve this following question: Which of the following relations are one-to-one? Give reasons.
1. 2x - 5y =3
2. y^2 - 3x + 7 =0
3. y= the squareroot of 5-2x
4. y= x^3 -2
5. y= x^2 - 3x +2
6. y= |3x-5|
Thank you in advance and please reply as soon as possible since i need time to learn how to arrive at the answers.

Click here to see answer by MathLover1(20850) About Me 

Question 760530: can some one help me find out the answer for this homework prob. I am so lost
If K = {(x, y)|x - y = 5}, find the corresponding range of y for the domain {0, 2, 4}.

Click here to see answer by stanbon(75887) About Me 

Question 760634: Need help solving the exponential equation that goes through the points (1,6) (2,4) and also, given g(x)= 4-x find g(x+3) and given f(x)= 3x-7 find f(x)+5. thanks.
Click here to see answer by stanbon(75887) About Me 

Question 761180: A table of values of a linear function is shown below. Find the output when the input is


input 1 2 3 4 n

output 0 3 6 9


Click here to see answer by KMST(5328) About Me 

Question 761294: How do you solve this problem
Given each function, evaluate: f(-10, f(2), f(4)
f(x)={x^2-2 if x<2
{4+/x-5/ if x>2

Click here to see answer by solver91311(24713) About Me 

Question 761411: f(x)= 2x+1/2
find the inverse

Click here to see answer by enow(2) About Me 
Question 761411: f(x)= 2x+1/2
find the inverse

Click here to see answer by Cromlix(4381) About Me 

Question 761712: compare the graph of f(x)=|cos^3x| with the graph of y= cos(x).Comparing these two graphs shows that the period of f(x)is...
Click here to see answer by stanbon(75887) About Me 

Question 761709: what is the domain of the function y= cos|x|
Click here to see answer by MathLover1(20850) About Me 

Question 761771: what is finding the mean....mean

Click here to see answer by Alan3354(69443) About Me 

Question 761876: x=y^4 decide whether the relation defines y as a function of x. then give domain
Click here to see answer by MathLover1(20850) About Me 

Question 762179: Assalma-o-Alaikum
sir just tell me that why we take the exponent -1 in Differential Calculus please reply me Sharp. the formula is nx-1 where n-1 is the power of x.



With Regard
Gulzar Ahmad

Click here to see answer by solver91311(24713) About Me 

Question 762260: the domain of f(x) is given as (3,13). what is the domain of the function if we redefine it as f(x-6)? write your answer in interval notation.
Click here to see answer by jim_thompson5910(35256) About Me 

Question 762280: State the domain of the following relation:
{(-1, -3), (9, -1), (-6, -9), (0, -4), (2, -1), (-2, -3)}
A. {-6, -2, -1, 0, 2, 9}

B. {-1, -3, 9, -6, 0, }

C. {-3, -1, -9, -4, -1, -3}

D. {All real numbers}


State the range of the following relation:
{(3, 3), (-6, -8), (4, -5), (6, 6)}

A. {-8, -5, 3, 6}

B. {6, -5, 4}

C. {3, -6, -8, 4}

D. {-6, 3, 4, 6}

Click here to see answer by MathLover1(20850) About Me 

Question 762286: Let f(x) = 2x^2 - 3x +4 and g(x) = x + 3.
Find f(x) + 3g(x)

A. 2x^2 - 2x + 7

B. 2x^2 + 6x + 13

C. 2x^2 + 13

D. 2x^2 - 6x + 13


2.
State the range of the following relation:
{(-1, -3), (9, -1), (-6, -9), (0, -4), (2, -1), (-2, -3)}

A. {All real numbers}

B. {-9, -4, -3, -1}

C. {-1, -3, 9, -6, 0}

D. {-6, -2, -1, 0, 2, 9}

Click here to see answer by jim_thompson5910(35256) About Me 

Question 762455: the width of the rectangle is 6 feet less than twice the length. if it's area is 140 square feet, find the dimensions of the rectangle
Click here to see answer by Cromlix(4381) About Me 

Question 762483: f(x)=sqrt of 3-x Find 5 values of x that generate a real number as output for function
Click here to see answer by stanbon(75887) About Me 

Question 762562: degree 3; -1 and -2 + 3i are zeros; leading coefficient is 1
Click here to see answer by MathLover1(20850) About Me 

Question 762704: given f =x-4 and g=x^2+3 , show that gf(x) = x^2- 8x + 19
hence find the values of x for which gf (x) = 4

Click here to see answer by ramkikk66(644) About Me 

Question 762727: please help me to solve this function:f(x)=log((1+x)/(1-x)) is this function odd or even?
Click here to see answer by solver91311(24713) About Me 

Question 762726: please help me to solve this function:f(x)=logx and g(x)=e^x then g(f(x))=?
Click here to see answer by josgarithmetic(39618) About Me 

Question 762783: Would you pls help me to answer this:
3. Arianna is trying to determine if the following statement is always, sometimes, or never true:
The square of a prime number is odd.
She writes the following statements: 32 = 9, 52 = 25, 72 = 49, 112 = 121, and 132 = 169.
Based on her results, she concludes that the relation function statement is always true.
a.What kind of reasoning did Arriana use?
b.Is her conclusion correct? If not, use a counterexample to prove why it is not.
c.Use deductive reasoning to determine whether the following statement is always or never true.
The sum of an odd number and an even number is odd
Thanks

Click here to see answer by jim_thompson5910(35256) About Me 

Question 761158: the point (1,1) is on the graph what is the new location of the point on the graph y=-x
Click here to see answer by tommyt3rd(5050) About Me 

Question 759699: 10x/(8x+64)
Click here to see answer by tommyt3rd(5050) About Me 

Question 759472: Please help me solve If+g%28x%29=1%2Fx+%2Cand+h%28x%29=-x+squared+%2C+help+me+determine+x+if+f%28x%29=0
Click here to see answer by tommyt3rd(5050) About Me 

Question 760056: Let f(x)= x+2 and g(x)= x squared. Find (g of x) (-5)
Click here to see answer by tommyt3rd(5050) About Me 

Question 762724: please help me to solve this function: f(x)=|cosx-1| then the maximum and minimum value of f(x)?
Click here to see answer by lwsshak3(11628) About Me 

Question 756883: Solve the following inequality
60x-64<60/x

Click here to see answer by tommyt3rd(5050) About Me 

Question 758958: Evaluate the function
r(x) = x/x+4, find r (1/2)

Click here to see answer by tommyt3rd(5050) About Me 

Question 758033: how can you say that the given equation represent a function?
Click here to see answer by tommyt3rd(5050) About Me 

Question 761048: find the domain and range of y=3/(2x-3)
Click here to see answer by tommyt3rd(5050) About Me 

Question 763327: what is the domain of this function √3:(x-4)
Click here to see answer by josgarithmetic(39618) About Me 

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