Question: Given the function f(x) = x4 , and suppose g(x) is some other function of x. (a) Then the function F(x) = (g(x))4 is the


Given the function f(x) = x4 , and suppose g(x) is some other function of x. (a) Then the function F(x) = (g(x))4 is the same thing as ... Of' (g ( x ) ) Of' ( x ) O g of ( x) Of' (g ( x) ) . g'( x ) O fog (x ) (b) By either the extended power or the chain rule, we have F '(x) = 0 4x3 . g'(x) O g( 4x 3 ) O xA g'(x) + 4x3g(x) 0 4 (9(x) ) 3 . g' (x) 0 4 (9(x) ) 3 (c) It follows that F '(2) = O g(32) 4(9(2) ) 3 . g'(2) 0 4 . (9(2) ) 3 O 32(g ' (x) ) 0 4 . 9(8) . g'(2)
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