Question

4. Which of the following functions has a rate of change that stays the same?

y=-4x+10
Y=1/2x^2
y = 3^x
y=x^2+2

Answer 1

A.y=4x+10

Explanation:

i'm doing thee test

Answer 2

`y=-4x+10`

Explanation:

A linear function has a constant rate of change.

So all you need to do is to identify which of the given options is a linear function.

`y=-4x+10` is a linear function and the rate of change is -4.

We can see this is a constant.

`y=(1)/(2)x^2` has a variable rate of change which is
`x`

`y=3^x` also has a rate of change which is
`3^x\ln3`

`y=x^2+2` also has a variable rate of change which is 2x