Okay, I punched this into my new calculator:
$\frac{d}{dx}(x^2)|{x=3}$
and it all is equal to $6$. What is this called and/or what does it do?
Okay, I punched this into my new calculator:
$\frac{d}{dx}(x^2)|{x=3}$
and it all is equal to $6$. What is this called and/or what does it do?
Use simple derivative formula to solve this problem.
In this case use the formula:
$\frac{d}{dx}(x^2) = 2x$
Now put $x=3$
Answer will then come to $6$
For formulas, you may refer to: Basic Differentiation Formulas