Use a graphing utility to graph the curve defined by the given parametric equations.x = 3 cos t, y = 2 sin t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: A
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Solve.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 60 mph with a surface area of 36 ft2 experiences a drag of 345.6 N (Newtons), how fast must a car with 45 ft2 of surface area travel in order to experience a drag force of 460.8 N?
A. 69 mph B. 64 mph C. 61 mph D. 66 mph
Find an equation of the line that contains the given point and is parallel to the given line.y = -7x + 4, (4, -4)
A. y = - 7x - 24
B. y = 7x - 24
C. y = - 7x + 24
D. y = - 
x - 
Solve the inequality numerically. Approximate endpoints to the nearest tenth.2.9
+ 1.5x ? 2
A. x ? 1.7 B. x ? -1.9 C. x ? 1.9 D. x ? -1.7
Solve the problem.The chart shows a weight gain for some people and a weight loss for some other people. Use the information given to answer the question below.
What is the difference between the weight change reported for Ed and that reported for Frank?
A. 3034 gram B. 1320 gram C. -3034 gram D. -1320 gram