Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the geometric series or state that it diverges.1 + (-7) + (-7)2 + (-7)3 + (-7)4 + . . .
A. diverges B. 49 C. 7 D. 70
Mathematics
Evaluate or simplify the given expression.cos-1 
A. 
B. 
C. 
D. - 
Mathematics
Perform the indicated operation.(14x + 12) - (-4x2 - 7x + 12)
A. 4x2 - 21x B. 4x2 + 21x C. 4x2 + 21x - 24 D. -4x2 + 7x + 24
Mathematics
Solve for the missing values. Round money to the nearest cent, rate to the nearest tenth of a percent, and time to the nearest day.Principal: $54,117Interest: 
Rate: 11.5%Time: 
daysMaturity value: $60,540
A. $6423; 347 days B. $6423; 372 days C. $6423; 413 days D. $6323; 371 days
Mathematics