Find the domain and the range for the function.

A. D: All real numbers, R: All real numbers
B. D: , R: 
C. D: , R: 
D. D: , R: 


Answer: A

Mathematics

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The decibel, a measure of loudness, is related to the relative intensity of sound by the formula Decibels (Relative intensity). A whisper in a library is about  34 decibels.  What decibel level is produced by 12 people whispering in the library? Round your answer to the nearest whole number. ?

A. 408 decibels B. 45 decibels C. 410 decibels D. 47 decibels

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Translate the phrase; then simplify.Subtract 36 from -18.

A. -18 B. -54 C. 54 D. 18

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Write the whole number in standard form.Last year a town consumed three hundred million, six thousand gallons of water.

A. 306,000,000 B. 300,060,000 C. 300,006,000 D. 300,600,000

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Graph the line described.Through (-3, -4); m = 3

A.

B.

C.

D.

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