Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The position(in feet) 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 velocity at time t.
A. v = A cos 
ft/sec
B. v = A
cos 
ft/sec
C. v = - A
cos 
ft/sec
D. v = A
cos 
ft/sec
Use < or > for ? to write a true sentence. Draw a number line if necessary.1535 ? 1537
A. < B. >
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 
A. 756 ft B. 130 ft C. 420 ft D. 114 ft
Simplify.
A. 
B. 1
C. -1
D. 