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If f(x) = x² – 1, and g(x) = x + 2, then f(g(x)) = [? ]x²+[ ]x + []

If f(x) = x² – 1, and g(x) = x + 2, then f(g(x)) = [? ]x²+[ ]x + []
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If f(x) = x² – 1, and
g(x) = x + 2, then
f(g(x)) = [? ]x²+[ ]x + []

asked
User Anuran Barman
by
8.2k points

1 Answer

5 votes
F(x+2) =(x+2)^2 -1
Put g into f
X^2 +4x +4 -1
So it would be

X^2 +4x +3
answered
User Ravindu
by
7.0k points
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