Without graphing, determine whether the graph of the quadratic function opens up or opens down. Also, determine of the graph will be wider or narrower than the graph of y = x2.f(x) = -2x2 - 4x + 5
A. up, wider
B. down, wider
C. down, narrower
D. up, narrower
Answer: C
Mathematics
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Determine whether A = B, A ? B, B ? A, A ? B, B ? A, or if none of these applies.A = {a, e, i, o, u}B = {e, o, i, u, a}
A. A ? B, B ? A, and A = B B. A ? B, B ? A, and A = B C. None of these D. A = B
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Determine whether the following is always true or not always true. Given reasons for your answers.|u| = 
What will be an ideal response?
Mathematics
Find the midpoint of the line segment joining the two points.(7, 0) and (9, 2)
A. 
B. 
C. 
D. 
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Write the first four terms of the sequence whose general term is given.an = 
A. -2, 1, 
, 
B. -2, - 1, 
, 
C. 2, - 1, 
, 
D. 2, 1, 
, 
Mathematics