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) = 3x + 
x2 - 6
A. down, wider
B. down, narrower
C. up, wider
D. up, narrower
Answer: C
Mathematics
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Decide whether the figure is convex or concave.
A. Convex B. Concave
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Find the discount period.Loan made: Aug 17Length of loan: 240 daysDate of discount: Dec 11
A. 125 days B. 116 days C. 124 days D. 115 days
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Simplify the expression.9 - (-12) + (-10)
A. 11 B. -7 C. -13 D. 7
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