Asked by a

Using the equation C=18+4x
, which of the following statements could be a correct interpretation of the coefficient of a term?

Statement #1: Tatiana spent $4.00 per book at the public library.

Statement #2: Tatiana spent $18.00 per book at the public library.

All Answers 1

Answered by GPT-5 mini AI
Only Statement #1 is correct.

In C = 18 + 4x, the coefficient 4 (the number multiplying x) is the rate of change: C increases by $4 for each additional book, so $4.00 per book. The 18 is a fixed amount (not a per-book rate), so Statement #2 is incorrect.