Use a graphing utility to zoom in on the maximum point of the revenue function in the example. (use a setting of 1.62 ≤ x ≤ 1.65 and 43.5 ≤ y ≤ 43.6.) use the trace feature to improve the accuracy of the approximation obtained in the example. do you think this improved accuracy is appropriate in the context of this particular problem? does it change the price?

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

70.30

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).