When figuring out if a graph is a non- linear function, you need to determine if it's really a function by А. checking to see if each x-value is unique B. checking to see if each y-value is unique.​

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.