document.write( "Question 1108744: Can someone help me with this?
\n" ); document.write( "Write an exponential function that passes through these points: (0,128) and (5,371,291). The three points in the 2nd set kinda threw me off.
\n" ); document.write( "

Algebra.Com's Answer #723775 by greenestamps(13203)\"\" \"About 
You can put this solution on YOUR website!


\n" ); document.write( "Since ordered pairs consist of (obviously!) two numbers, the only possible interpretation of the second given point is (5,371291). Putting a comma in the second number in the ordered pair is extremely bad form....

\n" ); document.write( "So we have an exponential function of the form \"f%28x%29+=+ab%5Ex\" with
\n" ); document.write( "\"f%280%29+=+ab%5E0+=+a+=+128\"
\n" ); document.write( "\"f%285%29+=+ab%5E5+=+128b%5E5+=+371291\"
\n" ); document.write( "\"b%5E5+=+371291\"
\n" ); document.write( "\"b+=+%28371291%29%5E%281%2F5%29+=+4.926\" approximately

\n" ); document.write( "So the function is
\n" ); document.write( "\"f%28x%29+=+128%2A%284.926%29%5Ex\"
\n" ); document.write( "
\n" );