Question

calc help! please explain step by step! @ganeshie8 @phi

Answer 1

if you could please explain step by step i would appreciate it!

Answer 2

this shows the graph of the derivative of a function
http://www.zweigmedia.com/RealWorld/calctopic1/derivgraph.html

Answer 3

i thought the graph was already given?

Answer 4

critical points on the original function f are where f' is 0
at x=2 (looks like the slope is negative, flattens out, then continues negative)
f would look like this