Solve the problem.A mass hangs from a spring which oscillates up and down. The position P of the mass at time t is given by P = 4 cos(4t)What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0. 
What will be an ideal response?
amplitude = 4, period = 
| P = 4cos(4t) |
Mathematics
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Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?y.
A. 25° B. 125° C. 55° D. 35°
Mathematics
Evaluate using any method.
? ln (x ?1)(x + 6)dx
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Solve the problem.The area A of a rectangle is 4x2 + 5x - 21 and its width W is x + 3. Find the length L of the rectangle.
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Mathematics