75 Answered Questions for the topic Rational Functions

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

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

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

solve for x- rational equation

(3/(x=2))-1/(5x)=1/x

Domain and Range of a Rational Function

Using Wolfram Alpha, the following rational function (x^2-1)/(x+1) has domain of {x element of R : x not=to -1} and Range {y element of R : y not=to -2}.   I am confused about the Range.   To... more

Finding domain of a rational function

Find the domain of this rational function:   r(x) = (1302x-871)(1175x+1324)/(867x+1076)(1465x-832)

rational functions?

I am having trouble writing a function with the given conditions. It says to create a rational function with asymptotes at x=4 and y=2 and a domain of {x| x can't equal 4, x can't equal 9} I think... more

f(x)= 49x2-16 / 2x-6

find the domain of the rational function.

can you please tell me what i did wrong?

Find the zeroes if any of the rational function g(x)=x^3-125/x^2+1 TTHIS IS WHAT I DID g(x)=x^3-125/x^2+1       x^3-125=0        (x-5)(x^2+5x+25) Because x^2+1can not be factor  The zero of... more

May I have help with this?

If f(x)= (x^2-4)/(x-2), then which of the following is true?   a.) x= 2 is a vertical asymptote b.) can't be determined c.) y=1 is a vertical asymptote d) there are no vertical asymptotes e.)... more

Find the vertical asymptotes of f(x)= [x(x^2+1)]/(2x^2-3x-2)

How do you work this?

find the x-intercept of f(x)=(9x+7)/(x^2+5). Round your answer 2 decimal places.

Any help would be great.

May I get help with this?

Let f(x)= (7x^2+11x+7)/(-3-8x^2). The horizontal asymptote is given by y= ? Round your answer to 2 decimal places.

rational functions

How to simplify?   1  / 2(2x+5) + 3 ÷ 2/(x+9) + 1/4

rational functions

How to simplify?   1  / 2(2x+5) + 3 ÷ 2/(x+9) + 1/4

ratios fractions

Write the ratio as a fraction in simple form 35 out of 100?????? And 90:30 cant figure out these two answers 

let A,B,C and D be the four rational zeros of the function defined by p(x)= 3x^4-8x^3-11x^2+28x-12 Compute (1+A)(1+B)(1+C)(1+D)

problem of the week final answer must be in the form of (1+A) (1+B) (1+C) (1+D) using the function p(x)= 3x^4-8x^3-11x^2+28x-12

find the vertical, horizonal, and oblique asymptotes, if any , for the following rational function.

Find the vertical, horizontal, and oblique asymtotes, if any , for the following rational function.  T(x)=x^3/x^4-81 ?

a question about the laffer curve

One real world application of a rational function is the Laffer Curve, as made famous by economist Arthur Laffer. According to Laffer, the elasticity of taxable income for the government changes in... more

Find the domain of the rational function please

Find the domain of the rational expression (Show all work)   R(x)= -7-6x/x^3-5x^2+6x

how to graph a rational function

the question is:  y=x+3/x-3

(4a^2+4a+1)/(4-9a^2)/(3a-2)/(4a^2+2a)

How to solve this rational function?

(3x+9/2x-6)•(4x+4/x+3)

write a simplified expression for the area of the rectangle. State all restrictions on x

what is the simplest form of 2-x/1-x/2

it is one of the questions im stuck on in my homework   
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