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2. Which of the following is true for f?
(3x+1, if-9 < x≤-2
f(x)=-5, if -2 x-6, if 1 A The domain is -9 < x < -2, -2 < x < 1, and 1 < x < 7.
B The range is (-26, 1).
C The function is decreasing over the interval (-2, 1).
D The rate of change over the interval (-9, 1] is 3.