Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -2x2 + 13x + 4
A. Increasing on (-?, 1); decreasing on ( -1, ?)
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on (-?, 0); decreasing on ( 0, ?)
Answer: C
Mathematics
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A. 
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C. 
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dx
A. 49?
B. 
C. 
D. 98?
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?
?
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