Question

If f(x) =- 2x + 5, find f(4x)​

Answer 1

`f(4x)=-8x+5`

Explanation:

We are given the function:

`f(x)=-2x+5`

And we want to find:

`f(4x)`

So, by substitution, we acquire:

`f(4x)=-2(4x)+5`

Multiply. So, our answer is:

`f(4x)=-8x+5`