The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = -5 cos (2x)
B. y = 5 cos (2x)
C. y = 5 sin 
D. y = 5 cos 
Answer: D
Mathematics
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over the region 0 ? x2 + y2 ? 9.
A. ?(sin 3 - 3 cos 3) B. 2?(sin 3 - cos 3) C. 2?(sin 3 - 3 cos 3) D. ?(sin 3 - cos 3)
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Solve the problem.A high school graduating class is made up of 445 students. There are 97 more girls than boys. How many boys are in the class?
A. 271 boys B. 445 boys C. 97 boys D. 174 boys
Mathematics
Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.
A. y ? 2 B. y ? 2 C. x ? 2 D. x ? 2
Mathematics
Multiply.-3x5(11x7 + 12)
A. -33x12 + 12 B. -33x7 - 36 C. -33x12 - 36x5 D. -69x5
Mathematics