Q. 125.0( 3 Votes )

Let f : R

Answer :

To find: f o g, g o f ,(f o g) (2) and (g o f) (-3)


Formula used: (i) f o g = f(g(x))


(ii) g o f = g(f(x))


Given: (i) f : R R : f(x) = x2 + 2



f o g = f(g(x))








Ans) = 6


g o f = g(f(x))


g(x2+2)









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