Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sec 
= cos 
A. 0
B. 0, 
, ?, 
C. 
, 
, 
, 
, 
, 
, 
D. 
, 
Answer: A
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 3 sin t, y = 4 cos t, 0 ? t ? 2?
A. 
+ 
= 1; Counterclockwise from
(3, 0) to (3, 0), one rotation
B. 
+ 
= 1; Counterclockwise from
(0, 3) to (0, 3), one rotation
C. 
+ 
= 1; Counterclockwise from
(4, 0) to (4, 0), one rotation
D. 
+ 
= 1; Counterclockwise from
(0, 4) to (0, 4), one rotation
List the indicated feature of the figure.The faces of
A. Cannot be identified
B. ?ABC, ?ABE, ?ADE, ?ACD, ?BCDE
C. A, B, C, D, E
D. 
, 
, 
, 
, 
, 
, 
, 
Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body's velocity increasing?
A. t < 4 B. t > 2.5 C. t < 2.5 D. t > 4
Find the commission earned or the rate of commission. Round money answers to the nearest cent if necessary.Sales: $420 Commission rate: 8
%
A. $39.90 B. $357.00 C. $31.50 D. $35.70