Differentiate with respect to x the function below:

Step-by-step explanation:

Differentiate using the Quotient rule.

Given

y = , then

=

Here

y = , with

f(x) = x ⇒ f'(x) = 1

g(x) = x + 1 ⇒ g'(x) = 1

Thus

=

    =

    =

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.