document.write( "Question 640829: What is the domain of f(x) = 2^x ? \n" ); document.write( "
Algebra.Com's Answer #403411 by jim_thompson5910(35256)\"\" \"About 
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The domain is the set of all real numbers since you can plug in any real number and get some real number as an output. \n" ); document.write( "
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