logarithmic functions, math homework help
Completely and accurately answer all questions. double check all work.
Which of the following equations shows the logarithmic equation below in exponential form?
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Which of the following equations shows the logarithmic equation below in exponential form?
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Which of the following logarithms is equal to 1?
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Evaluate the logarithm without a calvulator.
-2
2
1/2
-1/2
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Use a calculator to evaluate log 6. Round to three decimal places.
0.778
1.792
2.449
1.732
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Simplfy the expression
Log x
log 2
x
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Find the inverse of the function y =
y=2x
y=7x
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What is the domain and range of the graph of the function below?
y = log (x-2)
Domain: all real numbers; Range: y > 2
Domain: all real numbers; Range: y < 2
Domain: x > 2; Range: all real numbers
Domain: x < 2; Range: all real numbers
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Which of the following shows the graph of the function below?
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The Richter scale is used for measuring the magnitude of an earthquake. The Richter magnitude R is given by the model below, where E is the energy (in kilowatt-hours) released by the earthquake.
R = 0.67 log (0.37E) + 1.46
Suppose an earthquake releases 14,500,000,000 kilowatt-hours of energy. What is the earthquake’s magnitude? Round to three decimal places.
4.400
3.979
8.268
7.979
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