Write a formula for the derivative, and sketch its graph. (If an answer does not exist, enter DNE.)
f(x) = W
{
2 cos(x) x < 0
2 - x x >/= 0
x < 0 f '(x) =
x = 0 f '(x) =
x > 0 f '(x) =
Which graph
![1550_sketch_1.gif](https://secure.tutorsglobe.com/CMSImages/1550_sketch_1.gif)
![190_sketch_2.gif](https://secure.tutorsglobe.com/CMSImages/190_sketch_2.gif)
![896_sketch.gif](https://secure.tutorsglobe.com/CMSImages/896_sketch.gif)
Is the derivative function continuous at x = 0?
Show transcribed image text Write a formula for the derivative, and sketch its graph. (If an answer does not exist, enter DNE.) f(x) = Which graph.