Unit 3 Practice Test

Front

Back

Front

If Asanji takes 8 hours to dig a hole and Brenda takes 9 hours, how long will it take them to dig the hole together?

Back

It will take them approximately 4.24 hours.

Front

Heather can pour a driveway in 7 hours and Alberto in 8 hours. How long will it take them to pour the driveway together?

Back

It will take them approximately 3.73 hours.

Front

Back

Front

What is a rational function?

Back

A rational function is a function that can be expressed as the quotient of two polynomials.

Front

Define the term 'asymptote' in relation to rational functions.

Back

An asymptote is a line that a graph approaches but never touches.

Front

What is the significance of the degree of a polynomial in determining the end behavior of a rational function?

Back

The degree of the polynomial in the numerator and denominator determines the end behavior and horizontal asymptotes of the rational function.

Front

How do you find the x-intercepts of a rational function?

Back

Set the numerator equal to zero and solve for x.

Front

What is the process for finding vertical asymptotes of a rational function?

Back

Set the denominator equal to zero and solve for x.

Front

Explain the concept of 'work rate' in the context of combined work problems.

Back

Work rate is the fraction of the work done per unit of time, often expressed as '1/time'.