75 Answered Questions for the topic Rational Functions

08/14/16

Write a function whose graph is a hyperbola that has the given asymptote and passes through the point.

1.) x=5, y=6;(4,2)   2.) x= -1 y=-3; (1,2)

07/25/16

Unsure of how to write an equation for rational functions

Write an equation for a rational function with:Vertical asymptotes at x = -4 and x = 1x intercepts at x = -6 and x = 5y intercept at 2   y=

06/12/16

rational equation questions

what is the solution for to the rational equation x-2/x+4+x+1/x+6=11x+32/x^2+10x+24

04/30/16

Rational Function into Partial Fraction

HI Looking to make 72/36s+s^3 into partial fraction.    Can find the value of A ok but can't seem to cancel out A value to find B. Expanding the denominator I got s(s^2+36), then when I come to... more

04/28/16

How do I set this up? I know the info, but I'm still confused

Bob drove 120 km in traffic.  On the returning trip, he drove twice as fast.  The total time was 4 hours.  What was the rate for each direction?

04/08/16

Find the x-coordinate of any holes for the following function:

g(x)=   x^2-4         ------------         x^2-3x-10     A. 2 B. -2 C. 5 D. 1 E. None of the above

04/08/16

Find a 3rd degree polynomial with roots 6 and -i with constant coefficient -24.

A. f(x)=4x^3-24x^2+24x-24 B. f(x)=4x^3-24x^2+4x-24 C. f(x)=x^3-6x^2+x-24 D. f(x)=-4x^3+24x^2+4x-24 E. None of the above.

04/06/16

State the x coordinate of any holes in the function.

f(x)= 8x^2-16x          -----------          5x^2-20   A. 0 B. 2 C. 5 D. -2 E. None of the above

04/06/16

State the x-coordinate of any holes in the function.

f(x)=(x+3)(6-x)         ------------         (x-2)(x+3)   A. -3 B. 3 C. 2 D. 0 E. None of the above

04/03/16

Rational functions

"x2-4"/"x2-4x+3" Given this fraction, find the A. Domain B. Vertical asymptotes C.Horizontal asymptote D. X and Y intercepts E. the range   Please walk me through how to find these... more

01/22/16

10/18/15

match the description with the appropriate rational function. the y-axis is its vertical asymptotes.

1. match the description with the appropriate rational function. the y-axis is its vertical asymptotes.

10/08/15

For this rational function f, f(x) 3x-6/x-1. determine where possible

1. For this rational function f, f(x) 3x-6/x-1. determine where possible   i. The domain of f   ii. x and y-intercept of f in coordinate form.   iii. The vertical asymptote(s) and oblique... more

08/30/15

Find an equation of a rational function f that satisfies the given conditions.

vertical asymptotes: x = −2, x = 0 horizontal asymptote: y = 0 x-intercept: 1; f(2)=1

06/14/15

Write a rational function (f) that has the specified characteristics. vertical asymptote: x=-2, slant asymptote: y=x+1, zero: x=2

I've tried everything but only find that the answer is not possible. There may be a hole.   Write a rational function (f) that has the specified characteristics. vertical asymptote:... more

06/01/15

f(x)= 2x+22/x2+9

for the following rational function, state the restrictions on variable, if any, by finding all values of the variable that are not in the domain of f. write answer with ≠.

06/01/15

f(x)= x2-64/x2-2x-48.

for the following rational function, state the restrictions on variable, if any, by finding all values of the variable that are not in the domain of f. write answer with ≠.

05/25/15

What function gives the time (t) it takes the rider to finish the race in terms of (s)?

In a bike race, a rider covers a 5-mi flat stretch of road at a speed of (s) mi/h. She then doubles her speed down a hill 1 mi long. Finally, she reduces her downhill speed by 12 mi/h as she rides... more

05/06/15

x+8/x^2-4x

Find the domain of the rational function.   Problem: x+8/x^2-4x

05/05/15

Consider the rational function f(x) = 2x²-9x-5 ÷ 3x³+ 3x²-6x.

Without a calculator, identify, if possible, the vertical asymptotes, horizontal asymptotes, slant asymptotes, x-intercept(s), and y-intercept(s). Then find extra points. State the domain and range... more

04/16/15

It takes you 4 hours to paint. your friend takes 10 hrs. working together how long would it take?

we are working using rational fractions and this makes no sense to me.

03/26/15

Find an equation of a rational function f that satisfies the given conditions.

Given Conditions:   vertical asymptotes: x = −1, x = 0 horizontal asymptote: y = 0 x-intercept: 3; f(

03/16/15

03/11/15

About how much time did the first part of the trip take?

Treveon paddled 35 mies downstream in his boat. The speed of the water current was 4 miles per hour. Mark paddled 13 miles upstream in his boat. The speed of the water current was 4 miles per hour.... more

03/05/15

Add or subtract. Then simplify. If a denominator has three or more facotrs (Other then monomials.) Leave it in factored form.

Add or subtract. Then simplify. If a denominator has three or more facotrs (Other then monomials.) Leave it in factored form.   3x-1/x^2+2x-3  -  x+4/x^2-9

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