It is known that the maximum value of the quadratic function FX = ax + 2aX + 1 in the interval [- 3,2] is the value of 4 for a

It is known that the maximum value of the quadratic function FX = ax + 2aX + 1 in the interval [- 3,2] is the value of 4 for a

A = 1 or - 1 / 3