the value of a in f(x) = 3x² + ax-4 so that the average rate of change of the function on the interval -3 ≤ x ≤ 5. 1. Determine 19

Let f (x) = x + 5x² + 8x – 48 . On what intervals is this function concave upward? ㅇ(금, o) 00 ㅇ (-2, -1) ㅇ (-0, -3) ㅇ (-2,-3)

Plot the graphs of the following functions on the specified interval:  a) f(x) = x2 + 3 x - 1 on [-4, 2] b) g(x) = 1 x2-4 on [-3, 3] ) f(x) = x + 1 x for [-10, 10].

Determine the intervals of concavity for the function f(x) = xex .