7.3 daqy 2
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7.3 daqy 2 7.3 daqy 2 Presentation Transcript

  • 7.3 LOGARITHMICFUNCTIONS ASINVERSESPart 2: Graphing Logarithms
  • Logarithms A logarithmic function is the inverse of an exponential function.  and are inverses  The graphs of inverse functions are always reflections across the line y = x
  • Graphing Logarithms1. Identify the inverse exponential form2. Create a table of values for the exponential form (sketch the exponential form)3. Invert the ordered pairs4. Plot the points and sketch the graph of the logarithm
  • Example: Graph each logarithmicfunction
  • Example: Graph each logarithmicfunction
  • Properties/Transformations of LogarithmicFunctions  Parent:  General Form:  Stretch:  Compression (shrink):  Reflection:  Horizontal Translation:  Domain:  Range: All Real Numbers  Vertical Asymptote:  Vertical Translation:
  • Example Describe how the graph of each function compares with the graph of the parent function.
  • Example Describe how the graph of each function compares with the graph of the parent function.
  • Homework P456 #36 – 43 all, 61 – 67 odd, 73 – 76 all