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# Bellwork - PowerPoint PPT Presentation

Bellwork. >>>Assignment from last class is due if you did not turn it in (12 problems from last slide of Intro to Logs PowerPoint). 1) Fill in the table for the indicated problem and SKETCH a graph!. 2 ) Find the inverse of f(x)=5 x+3 -1. Open notes Quiz over Inverses.

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• >>>Assignment from last class is due if you did not turn it in (12 problems from last slide of Intro to Logs PowerPoint)

1) Fill in the table for the indicated problem and SKETCH a graph!

2) Find the inverse of f(x)=5x+3-1

Any quick questions before we begin?

-Find inverse from a table

-Find inverse from a graph

-Find inverse from an equation

-Know when no inverse exists

-Determine if an inverse is a function based on the graph

(relationship with one-to-one)

• When a variable is in the exponent, we rewrite as a logarithm in order to solve…

• A few things to note…

Change of Base Formula

Some simple examples:

a)

b)

d)

c)

1/5 to what power equals 25?

3 to what power equals 27?