Question

si F(X) = -5X^3 - X entoces F" (-2) es igual:
a) 30
b) -40
c) 54
d) -49

Answer 1

f(x)= -5x³-x
f'(x) = -5×3x² -1 = -15x²-1
f''(x) = -15×2x = -30x

f''(-2)= -30×(-2) = 60