AP Calc Unit 5 Review

For what value if x on 0<x<9 does f(x) have a relative maximum.

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What integer value of x is included in the interval of where f(x) is both increasing and concave up?

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Answer explanation

The numerator of the derivative is equal to zero at x=-1/2. The denominator is never equal to zero. Thus there is only one critical value, and the derivative DOES change signs at this x-value.

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