A bank account earning annual compound interest was opened, and no additional deposits or withdrawals were made after the initial deposit

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

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

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place