200 Let the functions f and g be differentiable at the inner point a of their domain. Then A] fg is differentiable at a. V then. There B] f'(a)g'(a) > 0. CD there exists a ceR such that f(x) = g(x) + c. D] (f(a)g(a))' = f'(a)g'(a).
200 Let the functions f and g be differentiable at the inner point a of their domain. Then A] fg is differentiable at a. V then. There B] f'(a)g'(a) > 0. CD there exists a ceR such that f(x) = g(x) + c. D] (f(a)g(a))' = f'(a)g'(a).
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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