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

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

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