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Find h'(5) given that f(5) = -6, f '(5) = -6, g(5) = -5, and g'(5) = 6.
(a) h(x) = 3f(x) - 4g(x)
h'(5) = 1

(b) h(x) = f(x)g(x)
h'(5) = 2

(c) h(x) = f(x)

g(x)
h'(5) = 3

(d) h(x) = g(x)

1 + f(x)
h'(5) = 4 .