Question

maple tree crafts sells personalized water bottles for $16 each. each water bottle costs $5 to make, so the shop earns $11 in profit for each bottle sold. the function p(b) represents the shops profit, in dollars, for selling b water bottles.
what is the range of p(b)?
all whole numbers from 0 to 11
all real numbers from 0 to 11
all whole numbers
all multiples of 11 greater than or equal to 0

Explanation:

Step1: Define profit function

$P(b) = 11b$

Step2: Identify valid $b$ values

$b$ is a whole number ($0,1,2,...$)

Step3: Find possible $P(b)$ values

Substitute valid $b$: $11*0=0$, $11*1=11$, $11*2=22$, ...

Answer:

all multiples of 11 greater than or equal to 0