Factor the polynomial below. 4x^2-16 A. 4(x + 2)(x - 2) B. 4(x - 2)2 C. 4(2 - x)2 D. 4(2 + x)(2 - x)

Option A, 4(x + 2)(x - 2)

Step-by-step explanation:

Step 1:  Pull out a 4

4(x^2 - 4)

Step 2:  Factor x^2 - 4

x^2 - 4

(x + 2)(x - 2)

Step 3:  Combine

4(x + 2)(x - 2)

 Option A, 4(x + 2)(x - 2)

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.