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Mathematics 28 Online
OpenStudy (anonymous):

The domain of all exponential functions is x > 0. True or False?

OpenStudy (anonymous):

help me please!

jimthompson5910 (jim_thompson5910):

|dw:1434768215795:dw|

jimthompson5910 (jim_thompson5910):

This is false because something like \[\Large y = 2^x\] is a graph that looks like this |dw:1434768233072:dw|

OpenStudy (anonymous):

thank you very much!

jimthompson5910 (jim_thompson5910):

notice how x is allowed to be negative numbers |dw:1434768255925:dw|

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