A 14,000-gallon swimming pool needs to be emptied. Exactly 2,800
gallons have already been pumped
out of the pool and into the tanker.
How can you determine how long it
will take to pump all of the water
into the tanker?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?