Questions on Algebra: Rational Functions, analyzing and graphing answered by real tutors!

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Question 466726: plz give me the solution and answer of this equation f(x)=3xcube-2x
Click here to see answer by stanbon(57332)

Question 466726: plz give me the solution and answer of this equation f(x)=3xcube-2x
Click here to see answer by Alan3354(30993)

Question 466724: f(x)=3xsquared-2x.....plzZ give me the solution and answer..

Click here to see answer by stanbon(57332)

Question 466757: HOw do I simplify the following problem:
√50+√72
Thanks!
Click here to see answer by sudhanshu_kmr(1152)

Question 466788: Simplify.
22-4x
-----
22
Click here to see answer by ccs2011(207)

Question 466788: Simplify.
22-4x
-----
22
Click here to see answer by stanbon(57332)

Question 466789: simplify
-15x+10
-------
5
Click here to see answer by MathLover1(6628)

Question 466884: add and simplify
3 over 4z^3 + 1 over 6z^2
Click here to see answer by Big Poop(157)

Question 466889: Multiply and simplify
3a^6 over 8r^4 times 64r^6 over 9a
Click here to see answer by Big Poop(157)

Question 466888: subtract and simplify
z-6 over z minus 7z-30 over 11z
Click here to see answer by Big Poop(157)

Question 466887: Perform the indicated operations and simplify
y-7 over y-9 minus y+1 over y+9 plus y-45 over y^2 -81
Click here to see answer by Big Poop(157)

Question 466886: subtract and simplify
1-x over x-7 minus 3x-7 over 7-x
Click here to see answer by Big Poop(157)

Question 466885: Subtract and simplify by removing a factor of 1 when possible
8cd over c^2-d^2 - c-d over c+d
Click here to see answer by Big Poop(157)

Question 466883: w^2+9 over w^2+7w-18 divided by w over w+2
divide and simplify
Click here to see answer by Big Poop(157)

Question 466882: w^2-1 over 81w+81 divided by w-1 over 9
divide and simplify
Click here to see answer by Big Poop(157)

Question 466880: y^2-36 over y divided by y-6 over y+8
Divide and simplify
Click here to see answer by Big Poop(157)

Question 466879: z^2-z-12 over z^2-6z+9 *z-3 over z-4
Multiply and simplify
Click here to see answer by Big Poop(157)

Question 466879: z^2-z-12 over z^2-6z+9 *z-3 over z-4
Multiply and simplify
Click here to see answer by stanbon(57332)

Question 466978: composite and inverse funtion:
Find: (f o g)(3)
f(x)= 2x
g(x)= x+5
Click here to see answer by stanbon(57332)

Question 466986: Why is it important to simplify radical expressions before adding or subtracting?
Click here to see answer by Edwin McCravy(8908)

Question 467153: M is a perfect square of an integer. the next larger perfect square is
M + 461. what is M?
thank you again and again for your kindness help.
Click here to see answer by robertb(4012)

Question 467191: Do you think adding and subtracting radicands are similar to adding and subtracting fractions?
Why or why not?

Click here to see answer by Theo(3460)

Question 467193: f(x)= 1/x+3

Click here to see answer by Big Poop(157)

Question 467244: sqrt(x+11)=sqrt(x+1)
Click here to see answer by Big Poop(157)

Question 467242: Solve for the unknown and check:
sqrt(y)+sqrt(y+7)=7
Click here to see answer by Big Poop(157)

Question 467241: Solve for the unknown and check:
4sqrt(x)=20
Click here to see answer by Big Poop(157)

Question 467240: If you are h feet above the earth's surgace, the distance ,d, that you can see is approximately d (in miles) = sqrt(3h/2)
Suppose you are on the roof of a building 900 ft. tall. How far can you see? (calculate to two decimal places). Please show your work or explain.
Click here to see answer by Big Poop(157)

Question 467357: 2. Solve the inequality. Express your solution using interval notation and please show all of your work.
x(x + 6)(8 – x)≥ 0
Click here to see answer by robertb(4012)

Question 467524: How do you write f(x)=x+4/x as a rational function
Click here to see answer by stanbon(57332)

Question 467668: i have a algebra question and it ask to list all the possible rational root. the problem is xcube minus xsquare plus two x minus two equal 0 so im wondering how will that
Click here to see answer by stanbon(57332)

Question 467759: Hi,
I need some help with this. I believe I have the correct answer, but I want to be certain.
Solve:4x^2=20
Find the x-intercepts of f(x)=4x^2-20
I come up with x=square root 5,and - square root 5 for both. Am I correct?
Thanks so much for your help!!
Click here to see answer by ewatrrr(10682)

Question 461372: Please help.
I have to find the coordinates of the vertex of parabola y = -2 (x + 30)^2 + 8
and find the axis of symmetry of the graph y = 3(x-7)^2 +2
Click here to see answer by lwsshak3(6494)

Question 468130: 5. For the following function:
f(x)=x^6-7x^4-2x+7
(A)Find the maximum number of real zeros, and
(B)Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.
Please show all of your work
Please help me, I really will appreciate it, thanks!
Click here to see answer by stanbon(57332)

Question 468408: Please help me find the domain to this function

Click here to see answer by edjones(7569)

Question 468408: Please help me find the domain to this function

Click here to see answer by lwsshak3(6494)

Question 468404: Please help me find the domain to this function

Click here to see answer by edjones(7569)

Question 468457: Does anyone have an idea of how quadratic equations can have the same solutions?
Click here to see answer by stanbon(57332)

Question 468457: Does anyone have an idea of how quadratic equations can have the same solutions?
Click here to see answer by solver91311(16877)

Question 468457: Does anyone have an idea of how quadratic equations can have the same solutions?
Click here to see answer by Theo(3460)

Question 468508: 1. Showing your work at each step, analyze the graph of the following function by completing the following parts:
(A)Determine the x- and y-intercepts of the graph. Write them as points.
(B)Determine the domain and vertical asymptotes, if any, of the function.
(C)Write the domain in interval notation.
(D)Determine the horizontal or oblique asymptote, if any, of the function.
(E)Obtain additional points on the graph. You should use a table to show your work in finding the additional points.
(F)Plot the x- and y-intercepts, the additional points, and the asymptotes that you found on a rectangular coordinate system and graph the function. Draw the asymptotes using dashed lines.

f(x)=x²-2x-8/x-1
Oh my goodness can someone please help me with this monster problem! PLEASE!
Click here to see answer by lwsshak3(6494)

Question 468504: Hello,
Could someone please help me with this? I am somewhat stumped. Thanks!!
Rewrite with a rational exponent.
Cube root 5 is outside the radical, inside is 22.
Thanks again!!
Click here to see answer by Edwin McCravy(8908)

Question 468540: Use the laws of exponents to simplify.
(10^(7)/(8))/(10^(5)/(8))=
(Simplify your answer. Tupe exponentential notation with rational exponents.)
Click here to see answer by Tatiana_Stebko(1326)

Question 468973: solve the system of equation using substitution.
y= 2/3x+1
y= -3/2x+40
Click here to see answer by stanbon(57332)

Question 469010: Find the slope and the y-intercept of the line 9y+6x+8=20+6x
Click here to see answer by jorel1380(2518)

Question 469007: What is the standard form of f(x)=(x^2)+14x+14
Click here to see answer by MathLover1(6628)

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