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Decide Whether the Composite Functions, F f∘gf \circ g Nd g∘f\mathbf { g } \circ \mathrm { f }

Question 315

Multiple Choice

Decide whether the composite functions, f f∘gf \circ g nd g∘f\mathbf { g } \circ \mathrm { f } f, are equal to x.
- f(x) =2x,g(x) =x2f ( x ) = 2 x , \quad g ( x ) = \frac { x } { 2 }


A) No, no
B) No, yes
C) Yes, no
D) Yes, yes

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