Question

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

Answer 1

Answer:

The answer for this question is (-infinity,1.5)

Step-by-step explanation:

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

-2x + 3 > 0

-2x > -3

x< 3/2 or 1.5