Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = x2 - 9x + 2
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on 
; decreasing on 
Answer: C
Mathematics
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A. -10 B. 4.8 C. -4.8 D. 10
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Simplify the radical.
A. 16
B. 4
C. 4
D. 4
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Determine whether the pair of lines is parallel, perpendicular, or neither.y = 4x + 4x - 4y = 8
A. parallel B. perpendicular C. neither
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Simplify.[2(x - 4) - 6] + [7(x - 1) + 7]
A. 9x - 6 B. 2x - 21 C. 9x - 10 D. 9x - 14
Mathematics