4 Determine the intervals on which the function is increasin

4. Determine the interval(s) on which the function is increasing 2 -2 2+ A. (-oo, -0.5) and (5, 6.5) B. (-0.5, 3)

Solution

for a<b , f(x) is increasing when f(a)<f(b)

for the given graph ,function is increasing in interval (1,5)

option D is correct

increasing function has positive slope