Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, 0 ? x ? 
A. 2?
B. 6?
C. 
?
D. 3?
Answer: C
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. Find the object's acceleration at time t.
A. a = - A
sin 
cm/sec2
B. a = - A sin 
cm/sec2
C. a = 
cos 
cm/sec2
D. a = - 
sin 
cm/sec2
Solve the system by substitution. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.y = 6x + 309x + 8y = -102
A. (-6, -6) B. Dependent, (x, 6x + 30) C. Inconsistent, ? D. (6, 6)
A certain resistor has a resistance of
Simplify the right hand side of this equation.
Find the angle between v and w. Round to one decimal place, if necessary.v = i + j and w = i + j - k
A. 0° B. 66° C. 90° D. 35.3°