Identify the restrictions on the variable x^2-4x-32/x+4

x  cannot equal -4

Step-by-step explanation:

(x^2-4x-32)/x+4

Factor the numerator

(x-8) (x+4) / (x+4)

The denominator cannot be zero so

x+4 cannot equal zero

x  cannot be -4

This is a removable hole since we can cancel it in the numerator and the denominator

the correct answer to your question is a. 4^4

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