The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 5 + 7 cos tFind the body's jerk at time t = ?/3 sec.
A. 
m/sec3
B. 
m/sec3
C. - 
m/sec3
D. - 
m/sec3
Answer: A
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
A. 
tan-1 
+ C
B. 
tan-1 
+ C
C. 
sin-1 
+ C
D. 
sin-1 
+ C
Mathematics
Simplify.
A. 4p + 8q
B. 8p + 4q
C. 
D. 
Mathematics
Solve the system of equations using substitution.
A. x = 3, y = 2; x = 2, y = 3 or (3, 2), (2, 3) B. x = -3, y = -2; x = -2, y = -3 or (-3, -2), (-2, -3) C. x = -3, y = 2; x = -2, y = 3 or (-3, 2), (-2, 3) D. x = 3, y = -2; x = 2, y = -3 or (3, -2), (2, -3)
Mathematics
Graph.y + 5 = 0
A. 
B. 
C. 
D. 
Mathematics