Solve the problem.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula 
where W is the number of joules of work done to move the spring and k is the spring constant. If a spring has a spring constant of 0.2, find the amount of work needed to move the spring 5 centimeters.
A. 2.5 joules
B. 0.5 joules
C. 25 joules
D. 5 joules
Answer: A
Mathematics
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Rationalize the denominator.
A. 2
B. 2
C. 
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Solve the problem.The barometric pressure p at an altitude of h miles above sea level satisfies the differential equation 
If the pressure at sea level is 29.92 inches of mercury, find the barometric pressure at 16,000 ft.
A. 8.16 in. B. 16.32 in. C. 1.22 in. D. 54.85 in.
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Find the y-intercept for the graph of the quadratic function.f(x) = (x + 3)2 - 9
A. (0, -6) B. (0, 6) C. (0, 0) D. (9, 0)
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = 4x3 + 8
A. even B. odd C. neither
Mathematics