Answer:
1) 75 2) 77.5
Explanation:
The function is a quadratic function and its graph is a parabola. the term that multiplies q^2 is negative, so the vertex of the parabola is the max value.
1) V(x) = -3/-0.04 = 75
2) sobstitute q with 75 and solve
-112,5 + 225 - 35 = 77,5