Solve the problem.If f(x) = 
and f(-5) = 15, what is the value of A?
A. A = -91
B. A = 31
C. A = 91
D. A = -31
Answer: A
Mathematics
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Find the mode(s) for the given sample data. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s).
A. 58 B. 58.9 C. 56, 60, 64, 51, 52, 68, 67, 58, 54 D. No mode
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Graph the function.y = 1 + 4 sin(x - ?) 
A. 
B. 
C. 
D. 
Mathematics
Find the indicated term of the sequence.an = 5n2(12n - 96); a6
A. -5400 B. -4320 C. 30,240 D. 31,320
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Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(1, -2)} B. {(-1, -1)} C. {(0, -1)} D. ?
Mathematics