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?

Question

Kaya Dodson

Mathematics

4 September, 22:45

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?

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Yuliana Wiley · Answer 1

F (x) = - 1.50x + 40 ... basically, this is saying that Gloria has 40 bucks in her lunch account and each meal costs her 1.50.

By changing the - 1.50 to - 2.75 means she is paying more for her meals ... the cost of a meal went up from 1.50 to 2.75.