A function g(x) =2x+5÷x-2 for all values of x except x=2.Show that g(g(x))=x.
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Given f(x) = 2x + 3 and g(x) = –x2 + 5, find ( f o f )(x).

( f o f )(x) = f ( f (x))

   = f (2x + 3)

   = 2(           ) + 3    ... setting up to insert the input

   = 2(2x + 3) + 3

   = 4x + 6 + 3

   = 4x + 9

Given f(x) = 2x + 3 and g(x) = –x2 + 5, find (g o g)(x).

(g o g)(x) = g(g(x))

   = –(             )2 + 5     ... setting up to insert the input

   = –(–x2 + 5)2 + 5

   = –(x4 – 10x2 + 25) + 5

   = –x4 + 10x2 – 25 + 5

   = –x4 + 10x2 – 20

idk

step-by-step explanation:

the y will be in still but your answer will be y x 3

step-by-step explanation:

jk: )