95 Answered Questions for the topic Rational Functions

Rational Functions Math Algebra Polynomials

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.
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Rational Functions Math

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
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Rational Functions

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
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Rational Functions

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
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Rational Functions Precalculus

02/09/16

How to create a function with a set of parameters
How to create a function with a domain of x not equal to 3,0 has a horizontal asymptote y=2 and a hole at x=0
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Rational Functions

01/22/16

A person will burn 16 calories in 15 minutes to produce 268.05 watts of power. how much power would be produced in 30 minutes if 32 calories were burned
I'm really bad at math and I'm super bad with word problems.. Can someone please help!
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Rational Functions

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.
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Rational Functions

10/15/15

for this rational function f(x)=x^2-3x-10/x^2-1 determine were possible.
1. for this rational function f(x)=x^2-3x-10/x^2-1 determine were possible.   i.the domain of the function.   ii. the coordinates of the x and y- intercept of the graph of function.   iii.... more
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Rational Functions

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
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Rational Functions Precalculus

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
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Rational Functions

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
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Rational Functions

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 ≠.
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Rational Functions

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 ≠.
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Rational Functions Functions

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
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Rational Functions

05/06/15

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

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
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Rational Functions

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. 
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Rational Functions College Algebra Asymptotes

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(
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Rational Functions Radical Functions

03/16/15

Ratical and Rational Equations
(4/X^2+X-6)-(1/X^2-4)=(2/X^2+5X+6)   Please help me solve
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Rational Functions Algebra 2

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
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Rational Functions Rational Expressions

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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Rational Functions Rational Expressions

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.   3y+2/y^2+5y-24  + 7/y^2+4y-32
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Rational Functions Rational Expressions

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.   y/y^2-y-20  + 2/y+4
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Rational Functions

01/29/15

idk how to do this
Leon begins with 72 milliliters of an 8% saline solution. He adds x milliliters of distilled water to the saline solution. a. What function represents salt concentration, C, of the new solution? b.... more
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Rational Functions

01/26/15

solve for x- rational equation
(3/(x=2))-1/(5x)=1/x
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