The following function represents the production cost f(x), in dollars, for x number of units produced by company 1: f(x) = 0.25x2 − 8x + 600 What is the x value of the vertex of the quadratic function? x value of vertex is The following function represents the production cost f(x), in dollars, for x number of units produced

f(x) = 0.05x2 − 7x + 300

Given that the function is in standard form, identify A, B and C.

[enter a= b= c=]