Question

Let f:
RR and g: RR be defined by f(x) = 2x + 1 and g(x) = x2. Then find
gof and fog.
​

Answer 1

Answer:

Given, f(x)=x

2

and g(x)=(x+1)

(gof)(x)=g{f(x)}=g(x

2

)=(x

2

+1).

(fog)(x)=f{g(x)}=f(x+1)=(x+1)

2

.

Hence, gof



=fog.

Step-by-step explanation:

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