Consider the function f(x)=x2e2x. f(x) has two inflection points at x = c and x = d with c≤d where c is -3 and d is -1/2 finally for each of the following intervals, tell whether f(x) is concave up (type in cu) or concave down (type in cd). (−∞,c]: cd [c, d]: cu [d,∞) cu

you are saying it as if a fact, not a question, but yes, you would be correct? ; )

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).