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Find g f if f(x) = 2x + 5 and g(x) =5x +2.

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Answer:

is it g (hollow circle) f

[tex]g \: \: f \: = 5(2x + 5) + 2 \\ = (10x + 25) + 2 \\ = 10 x + 27 \\ [/tex]

or is it g•f

[tex]g \: f = (2x + 5)(5x + 2) \\ = 10 {x}^{2} + 4x + 25x + 10 \\ = 10 {x}^{2} + 29x + 10[/tex]

Step-by-step explanation:

:)

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