Question

Calculus 1 question

Answer 1

I'm not sure how to do this.

Answer 2

Have you considered substituting the functional values?

Answer 3

I did, but I was told to try again lol

Answer 4

take it step by step

Answer 5

first find \(f(x+\Delta x)\) carefully

Answer 6

\[(x+dx)^2-4(x+dx)\]?

Answer 7

Why the question mark. That's IT!

Answer 8

now multiply out

Answer 9

hmm I don't know how I didn't see that before

Answer 10

btw replace \(\Delta x\) by \(h\) is the same but easier to write

Answer 11

thanks guys