The graph of a function f is given. Use the graph to answer the question.For what values of x is f(x) < 0?
A. (-15, ?)
B. (-15, 17.5)
C. (-?, -15)
D. [-25, -15), (17.5, 25)
Answer: B
Mathematics
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A. -16 B. 16 C. 0 D. -17
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A. 6, 7 B. 5, 6 or -5, -4 C. -5, -4 D. 6, 7 or -5, -4
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $3000 more than twice this amount at 12%. His total annual income from the two investments was $4390. How much was invested at 12%?
A. $26,000 B. $29,000 C. $2900 D. $9000
Mathematics