Part of the graph of the function f(x) = (x - 1)(x + 7) is shown below.
Which statements about the function are true? Select
three options.
The vertex of the function is at (-4,-15).
6
The vertex of the function is at (-3,-16).
4
The graph is increasing on the interval x > -3.
2
The graph is positive only on the intervals where x <-
7 and where
X > 1.
-8
--6
2
4
-2
-2
The graph is negative on the interval x < -4.
4
-6-
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