# How do you find the slope of the graph #f(x)=(2x+1)^2# at (0,1)?

##### 1 Answer

Dec 6, 2017

Using the chain rule of derivatives, and then plugging in a x value of 0 for the

#### Explanation:

Consider

If

and

and when

Then the slope equals 4.

Proof Thing:

Derivatives are slopes of functions.

We know this by the formal definition of

and

They are similar because that is how the definition came by substituting them as

So, derivatives find a slope of a function.

We simplify the process by using various derivative rules