Question

How to find derivative of this using definition of a derivative? http://i.imgur.com/irzY32b.png

Answer 1

May I help?

Answer 2

@3mar pls halp a girl out

Answer 3

yes, thank you!

Answer 4

I gather it means, using the derivative as a definition of a Limit
namely \(\bf \lim\limits_{h\to 0}\ \cfrac{f(x+h)-f(x)}{h}\)

Answer 5

Of course.
With my pleasure!


Are you aware of the power rule of differentiation?

Answer 6

Yeah, @jdoe0001 that is what we're supposed to use. I looked at my teacher's work and there was one part that didn't make sense to me.

Answer 7

@3mar, yes! But I don't think we're supposed to use that here, we're supposed to use what jdoe001 wrote.