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Rewrite each equation in logarithmic form. Evaluate each expression. Sketch the graph and identify the domain and range of each. 1. a. Evaluate log27. b. Evaluate . 2. Most tornadoes last less than an hour and travel less than 20 miles.
•solve simple equations requiring the use of logarithms. Contents 1. Introduction 2 2. Why do we study logarithms ? 2 3. What is a logarithm ? if x = an then log a x = n 3 4. Exercises 4 5. The first law of logarithms log a xy = log a x+log a y 4 6. The second law of logarithms log a xm = mlog a x 5 7. The third law of logarithms log a x y ...
Logs have some very useful properties which follow from their de nition and the equivalence of the logarithmic form and exponential form. Some useful properties are as follows:
A logarithm is the _____ that a specified base must be raised to in order to get a certain value. A logarithmic function is the _____ of an exponential function. What does that mean?! (more on this later) B. Write the exponential equation in logarithmic form. 1. 5 1253 2. 6 61 3. 9 10
Expand the following logarithms. Use either the power rule, product rule or quotient rule. Expand the following logarithms using one or more of the logarithm rules. Sometimes you need to write an expression as a single logarithm. Use the rules to work backwards. log3x2 + log3y . Use the Product Rule for Logarithms.
Rewrite each equation in logarithmic form. Evaluate each expression. Sketch the graph and identify the domain and range of each. 1. a. Evaluate log27. b. Evaluate . 2. Most tornadoes last less than an hour and travel less than 20 miles.
What are some of the characteristics of the graph of a logarithmic function? other than 1, has an inverse function that you can denote by g(x) = logb x. This inverse function is called a logarithmic function with base b. Work with a partner. Find the value of x in each exponential equation. Explain your reasoning.
