Question

I need help, and I can’t figure it out

Answer 1

Explanation:

put the value of f(x)

I think that you know

hope it is helpful for you

Answer 2

4x + 2h - 1

Explanation:

`(f(x+h) - f(x))/(h)`

`((2(x+h)^2 - (x + h) + 5) - (2x^2 - x + 5))/(h)`

`(2x^2 + 4xh + 2h^2 - x - h + 5 - 2x^2 + x - 5)/(h)`

`(4xh + 2h^2 - h)/(h)`

4x + 2h - 1