## Trending News

Promoted

# Some One Help Me Please?

6. ) let f(x)=x^2,evalute f(h-2)-f(-2)/h

H->0

7.) evalute lim-2x^2+x/x

x->0

### 1 Answer

Relevance

- Josh KLv 69 years agoFavorite Answer
6

f(h-2) = (h-2)^2 = h^2 - 4h + 4

f(-2) = (-2)^2 = 4

f(h-2)-f(-2)/h = (h^2 - 4h)/h = h-4

This lim as h --> 0 is -4

7

-2x^2+x/x = -2x+1 {just factor out an x and you get x*(-2x+1)/x}

This limit as x --> 0 is 1

Still have questions? Get your answers by asking now.