Provide an appropriate response.Starting with a tone having a frequency of 112 cycles per second, find the frequency of the tone that is four octaves higher.
A. 1792 cps
B. 896 cps
C. 12,544 cps
D. 448 cps
Answer: A
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Compute r''(t).r(t) = (cos 3t)i + (2 sin t)j
A. r''(t) = (-3 cos 3t)i + (2 sin t)j B. r''(t) = (-9 cos 3t)i + (-4 sin t)j C. r''(t) = (9 cos 3t)i + (-2 sin t)j D. r''(t) = (-9 cos 3t)i + (-2 sin t)j
Provide an appropriate response.Solve the inequality: (2y - 1)(y + 3) ? 0
A. y ? - 
or y ? 3
B. -3 ? y ? 
C. y ? -3 or y ? 
D. - 
? y ? 3
Solve the problem.The Corner Cafe has a replacement cost of $232,000 and is insured for $174,000 with an 80% coinsurance clause. The building has a fire loss of $24,500. How much will the insurance company pay?
A. $24,500 B. $18,375 C. $22,969 D. $27,563
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
- 9
A. f-1(x) = x3 + 9
B. f-1(x) = (x + 9)3
C. f-1(x) = 
+ 9
D. f-1(x) = (x - 9)3