Exponential Equations

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Presentation transcript:

Exponential Equations Section 5.6 Logarithmic and Exponential Equations Copyright © 2013 Pearson Education, Inc. All rights reserved

Solve logarithmic equations. Solve exponential equations. Objectives Solve logarithmic equations. Solve exponential equations. Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Recall: Copyright © 2013 Pearson Education, Inc. All rights reserved

Reminder: The domain of logarithmic functions is positive numbers only so check for extraneous solutions. Copyright © 2013 Pearson Education, Inc. All rights reserved

Both solutions are in the domain of the log functions. Copyright © 2013 Pearson Education, Inc. All rights reserved

So the only solution is x=6 Domain: x>4 So the only solution is x=6 Copyright © 2013 Pearson Education, Inc. All rights reserved

Both solutions are valid in the original domain! Copyright © 2013 Pearson Education, Inc. All rights reserved

Recall: Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Copyright © 2013 Pearson Education, Inc. All rights reserved

Homework: 5.6 #5-47 odd Copyright © 2013 Pearson Education, Inc. All rights reserved

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