Algebra 1: Unit 12 Day 2 Get Set

Using the equation of the line of best fit, which number is the best prediction of the output when the input is 13?

{(-5,9), (2,31), (9,143), (11,151), (0,42), (5,97)}

Which graph best represents the following verbal description: four increased by the quotient of a number, x, and 3 is equal to a number, y.

Which polynomial is equivalent to the following expression?