## v.s Group Title Find the derivative of the function using the definition of derivative. g(x) = sqroot8 − x g'(x) = one year ago one year ago

1. zepdrix Group Title

|dw:1349647355572:dw| Were you able to get the limit set up correctly? :)

2. v.s Group Title

$\left(\begin{matrix}-2x \\ \sqrt{8-(x+h)}+\sqrt{8-x}\end{matrix}\right)$

3. zepdrix Group Title

|dw:1349647905952:dw|

4. v.s Group Title

dont you have to cancel out the h

5. zepdrix Group Title

yes from this step you can cancel the h's, since it's the only term in the top. I'm not sure how you did it in your problem as you had it before though, You would've had to divide an h out of the -2x, and you didn't have one in there. D:

6. v.s Group Title

couldn't i put -1 on the top

7. zepdrix Group Title

|dw:1349648375393:dw| Yes, good :)

8. v.s Group Title

thank you :)

9. zepdrix Group Title

\c:/