document.write( "Question 1055300: Let f(x) = (1/2)^x-1 and g(x) = 8^2x+4. Find the point of intersection between f(x) and g(x) algebraically. Express your point of intersection in radical form instead of rounding. Show all steps please \n" ); document.write( "

Algebra.Com's Answer #670523 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"f%28x%29=%281%2F2%29%5E%28x-1%29=%282%29%5E%28-x%2B1%29\"$
\n" ); document.write( " $\"g%28x%29=8%5E%282x%2B4%29=%282%5E3%29%5E%282x%2B4%29=2%5E%283%2A%282x%2B4%29%29\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"f%28x%29=g%28x%29\"$
\n" ); document.write( " $\"2%5E%28-x%2B1%29=2%5E%283%2A%282x%2B4%29%29\"$
\n" ); document.write( " $\"-x%2B1=3%2A%282x%2B4%29\"$
\n" ); document.write( " $\"-x%2B1=6x%2B12\"$
\n" ); document.write( " $\"-7x=11\"$
\n" ); document.write( " $\"x=-11%2F7\"$
\n" ); document.write( " \n" ); document.write( "

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