In the function shown in the chart below, at which values of x are there relative minima or maxima?, homework help

In the function shown in the chart below, at which values of x are there relative minima or maxima?, homework help

In the function shown in the chart below, at which values of x are there relative minima or maxima?

x f(x)
-3 -2
-2 2
-1 0
0 -2
1 2
2 18
3 52

 2 and ­-2

-3 and 3

-2 and 0

-3, 0, and 3