The graph of the function f(x) = (x - 3)(x + 1) is shown.
which describes all of the values for which the graph is
positive and decreasing?
o
o
o
o
all real values of x where x < -1
all real values of x where x < 1
all real values of x where 1 all real values of x where x> 3
-10
-6
-6
-
4
6
8
10
x
+
7
+
+
+
+
+
+
+
save and exit
next
submit