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−45p(b)=5b−45 represents Veronica's market earnings as a function of pounds of berries sold.

What is the practical domain of the function?


A. all integers between 10 and 30 inclusive

B. all real numbers

C. {10,  20,  30}{10,  20,  30}

D. 10≤b≤30

Respuesta :

The first thing we must do for this case is to define variables.
 We have then:
 b: number of berries sold
 We now write the function that models the problem.
 We have then:
 [tex] p (b) = 5b - 45 [/tex]
 The domain of the function is:
 All integers that belong to the following interval:
 [10, 30]
 Answer:
 
The practical domain of the function is:
 
A. all integers between 10 and 30 inclusive

Answer:

Answer was 10 ≤ b ≤ 30



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