x 1 2 3 4 5
y 3 6 9 12 15
Given the table, write an expression for the function, and describe what it does.
Responses
A y = 2x. y is double x.y = 2x. y is double x.
B y = 3x. y is triple x.y = 3x. y is triple x.
C y = 2x+1. y is twice x plus 1.y = 2x+1. y is twice x plus 1.
D y = 2x-1. y is twice x minus 1.