Question #6404158Single Choice
Math
Question
The function f is defined by f(x) = (x + 3)(x + 1). The graph of f in the xy-plane is a parabola. Which of the following intervals contains the x-coordinate of the vertex of the graph of f?
Options
A
-4 < x < -3
B
-3 < x < 1
C
1 < x < 3
D
3 < x < 4
Answer & Analysis
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