Question

Rebecca has 30 paintings to sell. The amount of money Rebecca makes from selling x paintings is represented by a function. f(x)=25x What is the practical domain of the function?

A.all multiples of 25 between 0 and 750, inclusive
B.all integers from 0 to 25, inclusive
C.all real numbers
D.all integers from 0 to 30, inclusive

Answer 1

The answer is letter D

Answer 2

D.) All integers from 0 to 30, inclusive.

Explanation:

If Rebecca has 30 paintings to sell and x is the domain, then any integer from 0-30 inclusive is your answer. It isn't sure that Rebecca will sell a painting, she can't sell more than she has, and she can't sell parts of a painting.