The news listed that the average price of a gallon of
gasoline in the city is $3.20 with a +5% margin of error. if
this correct what two dollar values the average cost of a
gallon of gasoline should be between?

the answer is d on edge

step-by-step explanation:

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

you need to give more info