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use the drop-down menus to describe the key aspects of the function f(x) = –x2 – 2x – 1. the vertex is the . the function is increasing . the function is decreasing . the domain of the function is . the
asked
Oct 14, 2017
Mathematics
high-school
2
answers
0
votes
14.5k
views
an airplanes altitude changed 496 feet over 8 minutes. what was the mean change of altitude in feet over feet per minute
asked
Feb 8, 2017
Mathematics
middle-school
1
answer
4
votes
203k
views
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