Question

PLZ HELP!

Two functions, A and B, are described as follows:

Function A
y = 9x + 4

Function B
The rate of change is 3 and the y-intercept is 4.

How much more is the rate of change of function A than the rate of change of function B?

2
3
6
9

Answer 1

6
9x is rate of function
3x is rate of function
y=mx+b