A high school student works at a grocery store as a cashier. the student is saving money for a phone and has already earned $150. the linear function p(x) = 12x + 150 models the total amount of money earned, p(x), in dollars, for a given number of hours worked, x. what is the range of the function?
a. (0, [infinity])
b. (150, [infinity])
c. (–[infinity], [infinity])
d. (–[infinity], 150]