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

Tutors Answer Your Questions about Rational-functions (FREE)

Question 196221: y=x/(x^2-9)
Click here to see answer by Alan3354(30993)

Question 198773: A board of lenght 5/x+3 inches was cut into two pieces. If one pice is 4/x-3 inches, express the lenght od the other board as a rational expression.
Click here to see answer by solver91311(16885)

Question 198890: How do you solve:
f(x)=x squared - 2x + 4.
Thanks
Click here to see answer by jim_thompson5910(28595)

Question 198971: consider the following function
f(x)=4x^3+x^2-0.06x+7
find the two points on the graph at which the tangent line is horizontal. Give your values
(-----,-----) point with smaller x value
(-----,-----) point with larger x value
can someone help please
thanks
Click here to see answer by solver91311(16885)

Question 199342: Give the equations of any vertical,horizontal, or oblique asymptotes.
1.f(x)= 1/x-2
2.f(x)= x+2/x-2
3.f(x)= x^2+x-2/x-2
Click here to see answer by RAY100(1637)

Question 199343: Give the equations of any vertical,horizontal, or oblique asymptotes.
1.f(x)= 1/x-2
2.f(x)= x+2/x-2
3.f(x)= x^2+x-2/x-2
Click here to see answer by RAY100(1637)

Question 199564: 4. The Hudson River flows at a rate of 5 miles per hour. A patrol boat travels 40 miles upriver, and returns in a total time of 6 hours. What is the speed of the boat in still water?

Click here to see answer by jim_thompson5910(28595)

Question 199580: b^2-9/b^3-27
i know i have to use the cube root but i stilll dont get how this problem is sloved.. can you please explain this (:
Click here to see answer by jim_thompson5910(28595)

Question 199584: b^2-9/b^3-27
i know i have to use the cube root but i stilll dont get how this problem is sloved.. can you please explain this (:
Click here to see answer by jim_thompson5910(28595)

Question 199898: There is no intger that has a reciprocal that is an integer

The product of two irrational numbers is an irrational number
Click here to see answer by Alan3354(30993)

Question 199897: The opposite of each natural number is a natural number
Click here to see answer by rfer(12660)

Question 200114: A community water tank can be filled in 10 hours by the town office well alone and in 16 hours by the high school well alone. How long will it take to fill the tank if both wells are working together?
Click here to see answer by nerdybill(6959)

Question 200147: The function f(x)=5x^3-9 is
A. Odd
B. Even
C. Neither
How did you know?
Click here to see answer by jim_thompson5910(28595)

Question 200244: Which numbers cannot be used in place of the variable in each
rational expression?
2y+1/y^2-y-6
Click here to see answer by vleith(2825)

Question 200317: I really do not understand how to do this can someone please help me,Thanks!
Build each rational expression into an equivalent rational
expression with the indicated denominator.
((-7yt)/(3x))=((?)/(36c^8))
Click here to see answer by RAY100(1637)

Question 200355: Simplify; express answer with only positive exponents.
(a-2/3b1/2)(a3/2b2/3)
what I got was this below now to me 1 it doesnt even look right not to mention I and having hard time typing it right on here can you please help me
=a^-2/3+2/3b^1/2+2/3
=a^3b^1
=a^3(1/b)= a^3/b
Click here to see answer by RAY100(1637)

Question 200381: a plane is descending at the rate of 640 feet per minute. now(at time zero), its altitude is 30,000 feet. negatgive times in the table mean minutes just past. positive times mean minutes to come.
Click here to see answer by Alan3354(30993)

Question 200433: Rational Exponents and Radical Expressions
ok how do you factor out the common factor of 2x from 16x^4/5 8x^3/4
I was trying to do this in my head and this is what I got could you help me please
16x^4/5 8x^3/4 = 2x(8x^2/34x^1/2)

Click here to see answer by RAY100(1637)

Question 200501: Steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.

Click here to see answer by jim_thompson5910(28595)

Question 200553: HELLO! May you please help me with the following question??
1.
Click here to see answer by jim_thompson5910(28595)

Question 200553: HELLO! May you please help me with the following question??
1.
Click here to see answer by rfer(12660)

Question 200602: dap5654@aol.com. I am in intermediate algebra. I am having trouble with equations with rational expressions.
Could you help me solve this equation? ? I think the answer is 3,4.
Click here to see answer by nerdybill(6959)

Question 200675: 3x^2-18x-48=
Click here to see answer by nerdybill(6959)

Question 200673: 3x^3-12x=
Click here to see answer by orca(409)

Question 200722: The American Bald Eagle weights about 12 pounds on average. Find using the rational exponent equation L=2.43*W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pound. Please show work.
Click here to see answer by tutorcecilia(2152)

Question 200674: 8b^2+24b+18=
Click here to see answer by Alan3354(30993)

Question 200676: 9x^2+4y^2
Click here to see answer by Alan3354(30993)

Question 200759: x^3=4x=
Click here to see answer by jim_thompson5910(28595)

Question 200759: x^3=4x=
Click here to see answer by RAY100(1637)

Question 200866: 12,000(1+r)^2 =
Click here to see answer by rfer(12660)

Question 200926: (x/x^2-4)-(x+2/x^2-x-2)
Click here to see answer by stanbon(57352)

Question 200867: 9x^2+4y^2
Click here to see answer by RAY100(1637)

Question 201018: is square root 12 rational?
Click here to see answer by solver91311(16885)

Question 201029: What is the mamium value of the function y=-x^2+3?
Click here to see answer by RAY100(1637)

Question 201029: What is the mamium value of the function y=-x^2+3?
Click here to see answer by solver91311(16885)

Question 201495: find the difference quotient of f; that is, find f(x+h)-f(x)/h,
F(x)= 8x + 4
Click here to see answer by jsmallt9(3296)

Question 201808: Rationalize the denominator. 1+ the root of 6 OVER 1 - the root of 6
Click here to see answer by Earlsdon(6287)

Question 202309: john and peter are 448 meters apart. they start walking towords each other at the same time. peter walks at a speed of 3 m/s and john at 4 m/s.
1. after how many minutes will they meet?
2. what distance will each have walked when they meet
Click here to see answer by solver91311(16885)

Question 202308: a couple does not intend to spend more than ksh3500 for dinner at a restaurant. if a sales tax of 6% is added to the bill and they plan to tip 3% after the tax has been added to the bill. what is the highest amount they can spend for the meal?
Click here to see answer by stanbon(57352)

Question 202333: Solve equation:
(x+1/x-1) + (2/x)= (x/x+1)
How do I solve this?
Click here to see answer by stanbon(57352)

Question 202332: Solve equation:
(x+1/x-1) + (2/x)= (x/x+1)
How do I solve this?
Click here to see answer by dyakobovitch(40)

Question 202330: I need help with this problem -9-3[4-9]divided by (-3)
Click here to see answer by dyakobovitch(40)

Question 202342: Please solve the following question:
1/X<= x^2-1
Thank you
Click here to see answer by RAY100(1637)

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