F(x) = 2x+3 find (fof) (x)

Sagot :

[tex]4x + 9[/tex]

Solution :

F (x) = 2x + 3

(fof) (x) = F ( F ( x ))

F ( F (x)) = 2 (2x + 3 ) + 3

F ( F (x)) = 4x + 6 + 3

F ( F (x)) = 4x + 9

I hope it help

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