Suppose f (1) = 2, f ΄(1) = 3, g(1) = 5, and g΄(1) = -4. Evaluate (f g)΄v at x = 1.

Question

Answer

-12

7

10

23

Answer 1

(fg)' = f'g+fg'
at x=1, we have
3*5 + 2(-4) = 7