Use the Following to Answer Questions : (Gridlines $\in$

Multiple Choice

Use the following to answer questions : (Gridlines are spaced one unit apart.)
-Name the interval(s) where the function is constant. Write the answer in interval notation. Assume all endpoints have integer values.

A) x $\in$ (-2,?)
B) x $\in$ (4, ?)
C) x $\in$ (-?, -2) $\cup$ (4, ?)
D) x $\in$ (- ?, -1) $\cup$ (4, ?)