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. How fast is the object moving when it is moving fastest?
A. 
cm/sec
B. A cm/sec
C. A
cm/sec
D. A
cm/sec
Answer: C
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Use the data set {d1, d2, d3, ..., d251} consisting of 251 numbers to answer the following question(s).After sorting the data set (in increasing order from left to right) the first quartile is
A. the average of the numbers in the 62nd and 63rd positions. B. the number in the 63rd position. C. the number in the 64th position. D. the average of the numbers in the 63rd and 64th positions. E. none of these
Find the reference angle for the given angle.
A. 
B. 
C. 
D. 
Solve the rational equation. If there is no solution, state this as your answer.
+ 
= 
A. {1} B. {-7, -1} C. {-7, 1} D. no solution
Use the product rule to simplify. Write the results using exponents.(-7)7 ? (-7)8
A. 4915 B. (-7)15 C. 715 D. -4956