Mark M. answered 01/14/23
Retired math prof. Calc 1, 2 and AP Calculus tutoring experience.
(fg)'(5) = f'(5)g(5) + g'(5)f(5) = (5)(-4) + (7)(1) = -13
(f/g)'(5) = [f'(5)g(5) - g'(5)f(5)] / [g(5)]2 Plug in the appropriate values.
(g/f)'(5) proceed as in the previous problem using the quotient rule