2 6 18 54 162 term to term rules

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?