Solve the inequality. Write the answer in set-builder notation.0.6x + 18 + x > 2x + 21 - 0.5x
A. {xx < 30}
B. {xx > 30}
C. {xx ? -3}
D. {xx < -3}
Answer: B
Mathematics
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Evaluate the integral.
A. 40?
B. 80?
C. ?
D. ?
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Solve the problem.The force F (in N) acting on an object is given by F = 12 dv/dt + 2v + 4, where v is the velocity (in m/s) and t is the time If the displacement is given by s = 20t0.4, find F for t = 4.3 s.
A. 20.0 N B. 5.09 N C. 33.9 N D. 15.1 N
Mathematics
Graph the parametric equations.x = sin t, y = -3t; 0 ? t ? 2?
A.
B.
C.
D.
Mathematics
Solve the problem.Your favorite stock opened the day's trading at $44.17 per share. When trading closed for the day, your stock was priced at $38.41 per share. If you own 145 shares, what was your profit or loss that day?
A. A profit of $835.20 B. A loss of $835.20 C. A profit of $5.76 D. A loss of $5.76
Mathematics