Question

Need to know if I’m doing this right and understanding it

Answer 1

Solution

Intercepts : (0 , ) and (160, 0 )

Symmetry: x = 60

positive: (0 , 120)

negaive: (--∝ , 0) U (120 , +∝)

Increasing: (-∝ , 60)

Decreasng ; (60 , +∝)

Relatve extrema: (150