The Graph Below Represents the Rate of Change of a Function

Multiple Choice

The graph below represents the rate of change of a function f with respect to x; i.e., it is a graph of f '.You are told that f (0) = 0.What can you say about $f(x)$
at the point x = 1.3? Mark all that apply.

A) $f(x)$ is decreasing.
B) $f(x)$
is increasing.
C) $f(x)$
is concave up.
D) $f(x)$
is concave down.