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 = -7x2 - 7x + 6
A. inc (-?, -0.50), dec (-0.50, ?)
B. inc (-?, -1.55), dec (-1.55, ?)
C. dec (-?, -0.50), inc (-0.50, ?)
D. inc (-1.55, -0.50), dec (-0.50, -1.55, ?)
Answer: A
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A. No solution B. (-1.5, -1) C. (1, 1) D. (1.5, -1)
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; S4
A. 
B. 
C. - 
D. - 