The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = -1 + 9 cos tFind the body's jerk at time t = ?/3 sec.
A. - 
m/sec3
B. 
m/sec3
C. 
m/sec3
D. - 
m/sec3
Answer: B
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Solve the problem.Use the Huntington-Hill method to apportion eleven seats among State P, State Q, and State R. The populations of the states are State P, 0.75 million; State Q, 1.2 million; and State R, 1.5 million. Begin by giving one representative to each state. List the order in which the representatives are apportioned.
A. R, Q, P, R, Q, R, Q, R, Q, R, R B. R, Q, P, R, Q, R, P, Q, R, Q, P C. R, Q, P, R, Q, R, P, Q, R, Q, R D. R, Q, P, Q, R, P, Q, R, Q, R, P
Factor by grouping.10x2 - 4x + 15x - 6
A. (2x + 3)(5x - 2) B. (10x - 3)(x + 2) C. (10x + 3)(x - 2) D. (2x - 3)(5x + 2)
Sketch the graph of the function.y = 
- 2 sin 3x
A. 
B. 
C. 
D. 
Use the REGRESSION feature on a graphing calculator.For some reason the quality of production decreased as the year progressed at a flash drive manufacturing plant. The following data represent the percentage of defective flash drives produced at the plant in the corresponding month of the year.
Use the regression equation with values rounded to four decimals to predict the percentage of defective drives in month 6, June.
A. 2.3% B. 2.15% C. 2.20% D. 2.0%