The Graph of a Function F Is Given

Multiple Choice

The graph of a function f is given. Use the graph to answer the question.
-Find the numbers, if any, at which f has a local minimum. What are the local minima?

A) f has no local minimum
B) f has a local minimum at x =  and ; the local minimum is -1
C) f has a local minimum at x = 0; the local minimum is 1
D) f has a local minimum at x = -; the local minimum is -1