Answer:
-3
Step-by-step explanation:
2^2 = 4
4 + (-3) = 1
4*2 = 8
8 * -1 = -8
-8 / 2 = -4
1 + -4 = -3
I'm pretty sure your radius is 14.14'
(-∞,7) U (7,∞)
All real values of x such x ≠ 7
