A company determined that for each $1 increase in the price of their product, the number of items sold will decrease by 2. Their

Question

A company determined that for each $1 increase in the price of their product, the
number of items sold will decrease by 2. Their predicted weekly profit with a
price increase of x dollars is represented by the function
f(x)=-3x²+18x+120.
By how many dollars should they increase the price of their product to
maximize their weekly profits?
3
147
10
120

Kunduz · Accepted Answer

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