document.write( "Question 1180065: g(x) = 3x+4, determine n such that g(-3) = g^-1(n): \n" ); document.write( "

Algebra.Com's Answer #809660 by ikleyn(52797) $\"\"$ $\"About$

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document.write( "Solve it in two steps, each step is in one line.\r\n" );
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document.write( "    Step 1.   g(-3) = 3*(-3) + 4 = -9 + 4 = -5.\r\n" );
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document.write( "    Step 2.   Now you need to find n from equation  -5 = .    (*)\r\n" );
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document.write( "              Apply function g to both sides of (*).  Do not calculate the function  explicitly:  YOU DO NOT NEED do it.\r\n" );
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document.write( "              Simply remember that  = .    (**)\r\n" );
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document.write( "              After applying function g to both sides of (*), you have g(-5) = n,  or  n = g(-5) = 3*(-5)  + 4 = -15 + 4 = -11.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "MEMORIZE: this problem is not to calculate the function $\"g%5E%28-1%29\"$ explicitly.\r
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\n" ); document.write( "\n" ); document.write( " This problem is to check, if you do understand WHAT the inverse function $\"g%5E%28-1%29\"$ is, in general; \r
\n" ); document.write( "\n" ); document.write( " in particular, if you do understand equality (**).\r
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