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Write a Rule for a Composite Function

given: f(x) = x^2 - 3 and g(x) = x + 1


The composite function g ○ f:
A. x^2 + 2x -2
B. x^2 + 2x
C. x^2 - 2

Respuesta :

Answer:

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

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