The graph of the function f(x) = (x – 4)(x + 1) is shown below.
On a coordinate plane, a...
Mathematics, 22.04.2020 05:03 sanjanadevaraj26
The graph of the function f(x) = (x – 4)(x + 1) is shown below.
On a coordinate plane, a parabola opens up. It goes through (negative 1, 0), has a vertex at (1.75, negative 6.2), and goes through (4, 0).
Which statement about the function is true?
A. The function is increasing for all real values of x where
x < 0.
B. The function is increasing for all real values of x where
x < –1 and where x > 4.
C. The function is decreasing for all real values of x where
–1 < x < 4.
D. The function is decreasing for all real values of x where
x < 1.5. < CORRECT
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