Can someone help me understand how to do this?

Which graph represents the function g(x) = |x + 4| + 2?

Twelve less than a number is at most 20

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price