Identify which graph matches the equation.f(x) = -3(x + 1)2 + 3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find ? to four significant digits for 0 ? ? < 2?.cos ? = 0.2816
A. 1.285, 1.856 B. 1.285, 4.427 C. 1.285, 4.998 D. 0.2855, 3.427
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.y? x2x + y? 2
A. 
B. 
C. 
D. 
Mathematics
Use the graph to answer the question. 
Which month in 2007 had the highest sales?
A. Month 12 B. Month 6 C. Month 5 D. Month 3
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics