document.write( "Question 542546: I need help on how to solve this and how to solve this with a calculator. Can someone please help me?
\n" ); document.write( "2.0e^(-1.5x)=1 \n" ); document.write( "

Algebra.Com's Answer #354625 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
I need help on how to solve this and how to solve this with a calculator. Can someone please help me?
\n" ); document.write( "2.0e^(-1.5x)=1
\n" ); document.write( "---
\n" ); document.write( "Calculator:
\n" ); document.write( "Graph
\n" ); document.write( "Y1 = 2*e^(-1.5x)
\n" ); document.write( "Y2 = 1
\n" ); document.write( "----
\n" ); document.write( "Graph them on the same set of axes and find their point of intersection.
\n" ); document.write( " $\"graph%28400%2C400%2C-10%2C10%2C-3%2C3%2C2e%5E%28-1.5x%29%2C1%29\"$
\n" ); document.write( "----
\n" ); document.write( "Algebraic:
\n" ); document.write( "e^(-1.5x) = 1/2
\n" ); document.write( "Take the natural log of both sides to get:
\n" ); document.write( "-1.5x = ln(1/2)
\n" ); document.write( "x = 0.4621
\n" ); document.write( "=================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "================= \n" ); document.write( "

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