Two linear functions are represented below.

Function A:
Function B:
y = 2x - 1
x y
-1.5 -2
-1 0
-0.5 2
0 4
0.5 6
1 8
3 16
The rate of change for Function A is the rate of change for Function B.

When 0 < x < 3, increasing.

The y-intercept of Function A is the y-intercept of Function B.