- (C) Minimize Since
q ′ = 0 if x = 3. Since q ′ is negative to the left of x = 3 and positive to the right, the
minimum value of q occurs at x = 3.
q ′ = 0 if x = 3. Since q ′ is negative to the left of x = 3 and positive to the right, the
minimum value of q occurs at x = 3.