The question is number 12. URGENT PLEASE

Question

asked Dec 18, 2021 186k views

1 Answer

Ocharles · Answer 1 · 2021-12-22T16:30:42+0000

We have an expression in the form

$(f(x+\Delta x)-f(x))/(\Delta x)$

where the
$\Delta x$ term is approaching 0, which is what the "lim" indicates (we're applying a limit).

Note how in
$f(x+\Delta x)$ , we effectively replace every copy of x with
$x+\Delta x$

Choice D is close, but it's missing the "lim" notation, so it's not 100% accurate.