Janelle S. answered 09/29/20
Penn State Grad for ME, Math & Test Prep Tutoring (10+ yrs experience)
f(-3) = 3
f’(-3) = 3
g(-3) = 4
g’(-3) = -6
H(x) = f(x)eg(x)
Differentiate H(x) using the chain rule and product rule:
H'(x) = f(x) g'(x) eg(x) + f'(x) eg(x)
Find the derivative dH/dx at x = -3:
H'(-3) = f(-3) g'(-3) eg(-3) + f'(-3) eg(-3) = (3) (-6) e4 + (3) e4 = -18e4 + 3e4 = -15e4