Algebraically, find the inverse for the following relation; f(x)= 4x² - 1

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Could someone with number 1 and 2

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