Provide the proper response.To apply the trapezoidal rule, how should the sum of rectangles found by using left endpoints and the sum of rectangles found by using right endpoints be combined?
A. left endpoint sum + right endpoint sum
B. 
C. 
D. 
Answer: B
Mathematics
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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
Mathematics
Solve and check.
= 
A. x = 4
B. x = 68
C. x = 
D. x = 2412
Mathematics
Write the mixed number as an improper fraction.5
A. 
B. 
C. 
D. 
Mathematics
Match the system of equations with one of the graphs.y= x2 - 3x - 43y - x = 4
A. 
B. 
C. 
D. 
Mathematics