Veronica sells berries at a farmer's market. She pays $45 for the booth, and earns $5 per pound of berries sold. She sells between 10 and 30 pounds of berries at each market.
The function p(b)=5b−45 represents Veronica's market earnings as a function of pounds of berries sold.
What is the practical domain of the function?
all real numbers
all integers between 10 and 30 inclusive
10≤b≤30
{10, 20, 30}
