Question

http://prntscr.com/d03ck2

Answer 1

The domain is the number of paintings she can sell.

She can't sell a `negative amount` of paintings, right?

Answer 2

yea

Answer 3

She can also only sell whole numbers,
she can't sell a half of a painting.

So we're dealing with integers, 0 or larger.
And the maximum for our domain is 30,
because that's the most paintings she can sell.

Answer 4

so D?

Answer 5

yes

Answer 6

\(\Huge\color{#EB00FF}{\text{WELCOME}}\) \(\Huge\color{blue}{\text{TO}}\) \(\Huge\color{green}{\text{OPEN}}\)\(\Huge\color{purple }{\text{ STUDY!!!!!!!!!!!}}\) \(\Huge\heartsuit\)