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Mathematics 21 Online
OpenStudy (anonymous):

Can someone tell me if I got this problem correct and if not, what did I do wrong? For the pair of functions, f(x)= 3x and g(x) =2x^2-4x+5. Find the following: (a) ( f o g) (x) (b) (f o g) (-4) (c ) (g o f) (x) (d) (g o f) (-4) My answers: a. 6x^2-12x+15 b. 39 c. 18x^2-12x+5 d. -19

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