Section 5.3

Exponential Functions

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( )43 -1 2 13

Solve each exponential equation.1(a) 2 32 (b) x x xxe e

e− −= = ⋅

3 -1 52 2x =

3 1 5x − =

2x =

42 1 7

3

xx x

x

ee ee

−− −= =

2 1 7x x− = −

19

x =