What are the domain and range of the function?

f(x)=^-3√x

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Don't know how to find x given these segment lengths

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