Use the minimum and maximum features of a graphing calculator to find approximately the intervals on which the function is increasing or decreasing. Round your values to two decimal places, if necessary.y = x4 - 11x2 + 24

A. dec (-?, -2.83), (-1.73, 1.73), (2.83, ?)
inc (-2.83, -1.73) , (1.73, 2.83) 
B. dec (-?, -2.35), (2.35, ?)  
inc (-2.35,  2.35)
C. inc (-?, -2.35), (0, 2.35)
dec (-2.35, 0), (2.35, ?)
D. dec (-?, -2.35), (0, 2.35)
inc (-2.35, 0), (2.35, ?)


Answer: D

Mathematics

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