The interval of x-values over which the function is increasing is (-3 , -1), the correct option is B.
A function is a law that relates two variables namely, a dependent and an independent variable.
A function always has a defined range and domain.
The x values and the corresponding function values are shown in the figure.
The x and y values are:
-6 -34
-5 3
-4 -10
-3 -11
-2 -6
-1 -1
0 -2
1 -15
The interval of x-values over which the function is increasing has to be determined.
The first option is (-6, -3) , the function is not increasing in this interval.
The second option is (-3 , -1) , the function is increasing in this interval.
The third option is(–3, 0), the function is not increasing in this interval.
The fourth option is (–6, –5), the function is not increasing in this interval.
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