document.write( "Question 1196246: Hello,
\n" ); document.write( "I need help with these two exercises.\r
\n" ); document.write( "\n" ); document.write( "1. Evaluate g(4) when g(x) = 3^(x + 1) -3.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2. Evaluate Find j(0) when j(x) = -2 (3/2)^x. \r
\n" ); document.write( "\n" ); document.write( "Thank you so much,
\n" ); document.write( "Fernando \n" ); document.write( "

Algebra.Com's Answer #828991 by ikleyn(52835) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "In this problem, the word \"evaluate\" means \r\n" );
document.write( "\r\n" );
document.write( "    +-----------------------------------------------------------------------+\r\n" );
document.write( "    |    substitute given value of x into the given formula instead of x    |\r\n" );
document.write( "    |    and then calculate the obtained numerical expression               |\r\n" );
document.write( "    +-----------------------------------------------------------------------+\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Assignments of this class are traditionally considered as simplest problems of Algebra.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "So, in case (1), we do this: we substitute value of 4 instead of x into the formula;\r\n" );
document.write( "\r\n" );
document.write( "                             we get  g(4) = ;\r\n" );
document.write( "\r\n" );
document.write( "                             and we calculate it   =   = \r\n" );
document.write( "\r\n" );
document.write( "                                                  = 3*3*3*3*3 - 3 = 9*9*3 - 3 = 81*3 - 3 = 243 - 3 = 240.    \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "                             ANSWER:  g(4) = 240.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    In case (2), we do this: we substitute value of 0 instead of x;\r\n" );
document.write( "\r\n" );
document.write( "                             we get  j(0) = ;\r\n" );
document.write( "\r\n" );
document.write( "                             we know that any real number in degree 0 equals 1, so  = 1;\r\n" );
document.write( "\r\n" );
document.write( "                             and we calculate it   = -2.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "                             ANSWER:  j(0) = -2.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Use this mantra every time as you solve similar problems.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );