Consider the two functions below. Which one of these functions is linear? What is its equation? Enter any answers to two decimal places. Function A Function B
x 3 6 9 12 15
y 5 10 15 20 25
A graph on a coordinate plane that begins at the origin, curves upward and to the right, and passes through the point 2 comma 4.

Function
is linear.

Its equation is y =
25
x +
15
.