Question

Gloria has a lunch account in the school cafeteria. The balance, f(x), in her account can be represented by the function f(x) = –1.50x + 40, where x is the number of meals purchased. Suppose –1.50 changed to –2.75. What does this mean in the context of the problem?

A. Changing –1.50 to –2.75 means her initial balance has decreased.
B. Changing –1.50 to –2.75 means her initial balance has increased.
C. Changing –1.50 to –2.75 means the price per meal has decreased.
D. Changing –1.50 to –2.75 means the price per meal has increased.

Answer 1

Changing –1.50 to –2.75 means the price per meal has increased.

Answer 2

"Changing –1.50 to –2.75 means the price per meal has increased" is the one among the following choices that shows the meaning in the context of the problem. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer has helped you.