Tyson has a $50 gift card to use at a store. He does not have any additional money to spend at the store. Tyson will purchase a belt that costs $8 and x number of shirts that cost $15 each. The function f(x) = 42 - 15x models the balance on the gift card after Tyson makes the purchases. What is the mo
appropriate domain of the function?
(A) all integer values of
B
all positive integer values of x
©
0 x< 2 where x is an integer
D
0<x<3 where x is an integer
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