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For which intervals is the function positive?

Select each correct answer.

 

(−∞,−3)

(1,4)

(4,∞)

(−2.5,2.5)

(−3,1)

(−1.5, 4.2)

Graph of a cubic function on the coordinate plane. The horizontal axis ranges from negative 10 to 10 in increments of 1. The vertical axis ranges from negative 10 to 10 in increments of 1. The function passes through begin ordered pair negative 3 comma 0 end ordered pair, begin ordered pair 1 comma 0 end ordered pair and begin ordered pair 4 comma 0 end ordered pair. The function begins in the third quadrant, increases, then decreases and then increases, ending in the first quadrant.

Guest May 30, 2018
 #1
avatar+89789 
+2

Positive  on   (-3, 1)   and  ( 4, infinity )

 

 

cool cool cool

CPhill  May 30, 2018

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