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. A cm/sec
B. 
cm/sec
C. A
cm/sec
D. A
cm/sec
Answer: C
Mathematics
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Find 
and 
.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y
B. 
= ye-y; 
= xe-y(y - 1)
C. 
= ye-y; 
= xe-y(1 - y)
D. 
= ye-y; 
= - xye-y
Mathematics
Decide whether or not the modulo system forms a group.{1, 2, 3, 4}; multiplication modulo 5
A. Not a group B. Group
Mathematics
Multiply. Write the answer in simplest form.
? 1
A. 1
B. 
C. 17
D. 
Mathematics
Divide.(-16.6708) ÷ (-2.84)
A. 2.84 B. 5.87 C. -5.87 D. -2.84
Mathematics