Question

In Exercises 123 and 124, determine whether the statements use the word $function$ in ways that are mathematically correct. Explain your reasoning. (a) The sales tax on a purchased item is a function of the selling price. (b) Your score on the next algebra exam is a function of the number of hours you study the night before the exam.

Name: Problem 123, Chapter 1: Precalculus with Limits
Uploaded: 2020-05-31T22:06:23-08:00
Duration: 1 min 27 s
Channel: Heather Zimmers
Description: In Exercises 123 and 124, determine whether the statements use the word function in ways that are mathematically correct. Explain your reasoning. (a) The sales tax on a purchased item is a function of the selling price. (b) Your score on the next algebra exam is a function of the number of hours you study the night before the exam.

   In Exercises 123 and 124, determine whether the statements use the word $function$ in ways that are mathematically correct. Explain your reasoning.

(a)  The sales tax on a purchased item is a function of the selling price.

(b)  Your score on the next algebra exam is a function of the number of hours you study the night before the exam.

Precalculus with Limits

Ron Larson 2nd Edition

Chapter 1, Problem 123

Instant Answer

Solved by Expert Heather Zimmers

05/31/2020

Step 1

In mathematical terms, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. In this case, the input is the selling price and the output is the sales tax. If for every Show more…

Show all steps

Thanks for your feedback!

In Exercises 123 and 124, determine whether the statements use the word $function$ in ways that are mathematically correct. Explain your reasoning. (a) The sales tax on a purchased item is a function of the selling price. (b) Your score on the next algebra exam is a function of the number of hours you study the night before the exam.