Perform the Indicated Operation H(G(X)) H= x2+5x+6 G= x+3

This is composite funtions. I used to know how to do this i just need a step by step reminder of how.
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1 Answer

H(G(x)) where H = x^2 +5x +6 and G = x+3

In H, replace each x with G(x):

G(x)^2 +5G(x) +6

(x+3)^2 +5(x+3) +6

(x^2 + 6x +9) + (5x + 15) +6

x^2 +11x +31
by Level 13 User (103k points)

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