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The graph of the function f(x)=-(x+6)(x+2) is shown below. What statement about the function is true ? A.) the function is incre
Question
The graph of the function f(x)=-(x+6)(x+2) is shown below. What statement about the function is true ?
A.) the function is increasing for all real values of x
x < -4.
B.) the function is increasing for all real values of x where
-6 < x < -2.
C.) the function is decreasing for all real values of x where
x < -6 and where x > -2.
D.) the function is decreasing for all real values of x where
x < -4.
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Mathematics
3 years
2021-09-05T15:42:59+00:00
2021-09-05T15:42:59+00:00 1 Answers
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Answers ( )
Answer:
A
Step-by-step explanation:
in x<-4 the derivative is positive so the function is increasing.
in x>-4 the derivative is negative so the function is decreasing
increasing in (-infinity,-4)
decreasing in (-4,infinity)