Given: f(x) = x^2 - 3 and g(x) = x + 1 the composite function g ○ f:

C

Step-by-step explanation:

Observing that f has to be placed inside g, we can easily substitute x^2 - 3 in place of the x in x + 1, making it

(x^2 - 3) + 1 which equals

(x^2) - 2

x=6 and x=3

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