Solve the problem.What is the maximum r-value for the polar equation r = 3 cos 4?? Note that a maximum 
is a maximum value of 
, the maximum distance from the pole.
A. 3, -3
B. 7
C. 4
D. 3
Answer: D
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Solve the equation. Express your answer in trigonometric form.x5 - 8 = 0
A. 8(cos ? + i sin ?) for ? = 36°, 108°, 180°, 252°, 324° B. 81/5(cos ? + i sin ?) for ? = 0°, 72°, 144°, 216°, 288° C. 8(cos ? + i sin ?) for ? = 0°, 72°, 144°, 216°, 288° D. 81/5(cos ? + i sin ?) for ? = 36°, 108°, 180°, 252°, 324°
Evaluate.-(80) + (-13)0
A. -5 B. -2 C. 0 D. 1
Solve the problem.Suppose that the speed (in m/sec) of a particle moving on the 
at time t seconds (t ? 0) is given by: V(t) = t3 - 8t2 + 15t + 10By sketching a graph of C(t), estimate during what time period the speed of the particle is less than 1
A. Between about t = 2 and t = 4 seconds B. Between about t = 4 and t = 5 seconds C. Between about t = 3 and t = 5 seconds D. Between about t = 4 and t = 6 seconds
Multiply and, if possible, simplify.
? 
A. 
B. 
C. 
D. 