document.write( "Question 186471: 4^2x+1=64\r
\n" );
document.write( "\n" );
document.write( " 4^log X=8
\n" );
document.write( "
\n" );
document.write( " e^x+1=.05\r
\n" );
document.write( "\n" );
document.write( " Please help me solve these problems. Thank you! \n" );
document.write( "
Algebra.Com's Answer #139742 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4^(2x+1) = 64 \n" ); document.write( "4^(2x+1) = 4^3 \n" ); document.write( "2x+1 = 3 \n" ); document.write( "2x = 2 \n" ); document.write( "x = 1 \n" ); document.write( "------------------------\r \n" ); document.write( "\n" ); document.write( "4^log X=8 \n" ); document.write( "2^(2logx) = 2^3 \n" ); document.write( "2logx = 3 \n" ); document.write( "logx = 3/2 \n" ); document.write( "x = 10^(3/2) \n" ); document.write( "x = 31.6228 \n" ); document.write( "-------------------------\r \n" ); document.write( "\n" ); document.write( "e^(x+1)=.05 \n" ); document.write( "Take the natural log of both sides to get: \n" ); document.write( "x+1 = ln(0.5) \n" ); document.write( "x+1 = -2.9957 \n" ); document.write( "x = -3.9957 \n" ); document.write( "---------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |