document.write( "Question 1078459: write an exponential function for the graph that passes through the points
\n" ); document.write( "(0,5)and(4,3125)\r
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Algebra.Com's Answer #692909 by Boreal(15235) $\"\"$ $\"About$

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y=ab^x
\n" ); document.write( "5=ab^0, b^0=1, so a=5
\n" ); document.write( "3125=5*b^4
\n" ); document.write( "625=b^4
\n" ); document.write( "b=5
\n" ); document.write( "function is y=5b^x
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