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fx) = 2x + 1
g(x) = x^2
g(f(x)) = (2x + 1)^2
g(f(3)) = [(2(3) + 1] ^2
g(f(3)) = [6 + 1]^2
g(f(3)) = 7^2
g(f(3)) = 49
2.-
f(x) = x^2 - 8
g(x) = -2 - x^2
y = f(x) + g(x)
y = x^2 - 8 -2 - x^2
y =