WILL GIVE BRAINLIST TO BEST ANSWER PLUS EXTRA POINTS
A company rents a Popcorn machine. Customers are charged a fixed amount plus a rate based on the number of hours the machine is rented. The company uses the function shown below to determine the total charges, in dollars, for the customer.
ƒ (x) = 40 + .15x
What does f(x) represent?
What does the 40 represent?
What does the 0.15 represent?

What does the ‘x’ represent?