Solve the problem.A certain noise measures 75 decibels in loudness. If the intensity is multiplied by 10, how many decibels will the new noise measure?
A. 750 dB
B. 75 dB
C. 76 dB
D. 85 dB
Answer: D
Mathematics
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Determine the quadratic function whose graph is given.
A. f(x) = x2 - 4x B. f(x) = -x2 - 4x C. f(x) = -x2 + 4x D. f(x) = x2 + 4x
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Multiply.(-0.4y6)3
A. -1.2y18 B. -0.064y18 C. -0.0064y18 D. -0.64y9
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Solve the problem. Round to the nearest cent as needed.The monthly payments on a $79,000 loan at 14% annual interest are $982.76. How much of the first monthly payment will go toward interest?
A. $845.17 B. $137.59 C. $1106.00 D. $921.67
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Find the derivative of the function using the definition of derivative.f(x) = -7
A. f '(x) = -7 B. f '(x) = 1 C. f '(x) = -7x D. f '(x) = 0
Mathematics