In a certain lake the intensity of light from the surface decreases by 40% for each additional meter of depth.
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A: Explain why light intensity is an exponential function of depth.
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B: Using
for intensity at the surface of the lake, write a formula that gives the intensity I of light ?d meters below the surface.
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C: At what depth will light intensity be one tenth of surface intensity? Round your answer to two decimal places if necessary.
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What will be an ideal response?
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B:
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C: 4.51 meters
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Solve the equations containing absolute value. = 9
A. {81} B. {-9} C. {9} D. {9, -9}
Solve the problem.Find the image of the given figure under the translation that takes P to P'.
A.
B.
C.
D.
Find the domain and the range of the function.
A. D: (4, ?); R: (-?, 0] B. D: (0, ?); R: [0, ?) C. D: (-?, ?); R: (-?, ?) D. D: (4, ?); R: [0, ?)
The table shows the number of votes received by each candidate in an election along with the amount spent by the candidate on advertising. Use the table to answer the question.. CandidateNumber of VotesAmount Spent on Advertising ($) Jose Gonzales 57,209 59,104 Angela Wong 67,108 59,024 Sue Miller 67,091 102,376 Tyler Johnson 41,036 66,514 Sandra Ouye 41,009 72,607Write in words the number of votes received by Jose Gonzales.
A. fifty-seven thousand, twenty-nine B. five thousand, seven hundred twenty-nine C. fifty-seven thousand, two hundred nine D. fifty-seven thousand, two hundred ninety