To "free" the argument of the logarithm, take the inverse function -- 5 x-- of both sides. That is, let each side be the exponent with base 5. That is, let each side be the exponent with base 5. Equivalently, write the exponential form .

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Question: Which of the following are exponential functions? f(x) = 3e-2 x. g(x) = 2 x/2. h(x) = x 3/2. g(x) = 15 / 7 x. Answer: Of these functions, only h(x) is not an exponential function. Remember that the independent variable must appear in the exponent for the function to be exponential. Return to Exercises

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3 Math1AWorksheets,7th Edition 2. Graphical Problems Questions 1. Is there a function all of whose values are equal to each other? If so, graph your answer. If not, explain why. Problems 1. (a) Find all x such that f(x) ≤ 2 where f(x) = −x2 +1 f(x) = (x−1)2 f(x) = x3 Write your answers in interval notation and draw them on the graphs of ...

traditional study of logarithms, we have deprived our students of the evolution of ideas and concepts that leads to deeper understanding of many concepts associated with logarithms. As a result, teachers now could hear “(5.2)y = 30.47, y = 6.32 because the calculator says so,” (52 = 25 for goodness sakes!!) 2. Recognize various kinds of functions (including polynomial, rational, radical, exponential, and logarithmic functions), analyze their behavior, and use the properties of these functions to solve equations and application problems. 3. Define trigonometric functions; understand the right triangle trigonometry and unit circle. 4. View _3.2 practice.pdf from MATH PRECALCULU at South Brunswick High School. NAME _ DATE _ PERIOD _ 3-2 Practice Logarithmic Functions Evaluate each expression. 1. log 7 73 2. log10 0.001 3. log 8