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Kittykat1199
Answered

Given the FUNCTIONS, f(x) = x 2 - 4 and g(x) = x + 2, perform the indicated operation. When applicable, state the domain restriction.

f(g(x))

Ax2 + 4x
Bx2 - 2
Cx2 + 4x - 4
Dx2 - 4x - 4

Verified Answer :

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Answer:

The correct option is:

A. x²+4x

Step-by-step explanation:

We are given that:

f(x)=x²-4  and g(x)=x+2

We have to find f(g(x))

f(g(x))=f(x+2)

       = (x+2)²-4

      = x²+4+4x-4

     = x²+4x

Hence, the correct option is:

A. x²+4x