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 accelerating when it is accelerating the fastest?

A. A cm/sec2
B. A cm/sec2
C. A2 cm/sec2
D.  cm/sec2

Answer: D

Mathematics

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A. 64 - ab B. -8a + 8b C. 8a - 8b D. ba - 64

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Solve the problem.Use the formula D = 10.0 log(S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the soundwave, and S0 = 1.00 × 10-12 watt/m2. What is the intensity in watt/m2 of a noise measured at 40 decibels? (Round to the nearest tenth.)

A. 4 × 10-10 watt/m2 B. 1.0 × 10-7 watt/m2 C. 1.0 × 10-8 watt/m2 D. 5.5 × 1013 watt/m2

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Mathematics

Use the graph to find the horizontal asymptote, if any, of the function. 

A. x = -2, x = 2, y = 1 B. y = -2, y = 2 C. y = 1 D. y = 0, y = 1

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Mathematics

Write percent as a decimal.75%

A. 7.5 B. 0.64 C. 0.75 D. 0.075

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Mathematics