Graph the parametric equations.x = 2 cos t, y = 5 sin t ; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 12 mi, the distance between the cars was 4 mi more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 12 mi B. 16 mi C. 20 mi D. 24 mi
Find the product.(3x2 + 4)2
A. 3x4 + 24x2 + 16 B. 9x2 + 24x + 16 C. 9x4 + 16 D. 9x4 + 24x2 + 16
Find the present value using the given future value A, interest rate i, time t, and compounding frequency. Round to the nearest cent.A = $7700, i = 2.14%, compounded annually, t = 7 years.
A. $6781.34 B. $8930.21 C. $6639.26 D. $1060.74
Assume x and y are functions of t. Evaluate dy/dt.x2 ln y = -1 + xey; dx/dt = 7, x = 3, y = 1
A. 1
B. 
C. 0
D. 