Over which interval is the graph of f(x)=-x^2+3x+8 increasing

asked May 19, 2020 99.7k views

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3 votes

Answer:

the answer is (-infinity,1.5)

Explanation

when f(x) is increasing f'(x) > 0

-2x + 3 > 0

-2x > -3

x< 3/2 or 1.5

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