document.write( "Question 1127673: find the formula for an exponential function that passes through (-1,4/3) and (4,324) \n" ); document.write( "
Algebra.Com's Answer #744128 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            Since the solution by @gosgarithmetic contains a lot of errors,  giving the wrong answers   \"highlight_green%28b=2.96201%29\"  and   \"highlight_green%28a=3.9493%29\", \r
\n" ); document.write( "\n" ); document.write( "            I came to fix it.\r
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\n" ); document.write( "\n" ); document.write( "            Find my correct solution below.\r
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\n" ); document.write( "\n" ); document.write( "            And ignore that of  @josgarithmetic,  for your safety.\r
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document.write( "y = \"a%2Ab%5Ex\"\r\n" );
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document.write( "Plug in the point coordinates\r\n" );
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document.write( "\"system%28ab%5E%28-1%29=4%2F3%2Cab%5E4=324%29\"\r\n" );
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document.write( "\"%28ab%5E4%29%2F%28ab%5E%28-1%29%29\" = \"324%2F%284%2F3%29\"\r\n" );
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document.write( "\"b%5E5\" = \"%283%2A324%29%2F4\"\r\n" );
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document.write( "\"b%5E5\" = 3*81 = \"3%5E5\"\r\n" );
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document.write( "\"highlight_green%28b=3%29\"\r\n" );
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document.write( "Using either original equations,  \"highlight_green%28a=4%29\".\r\n" );
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document.write( "Answer.  y = \"4%2A3%5Ex\".\r\n" );
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\n" ); document.write( "\n" ); document.write( "Regarding @josgarithmetic, this person is VERY well known  (or better to say,  very badly known,  unfortunately)  in this forum,
\n" ); document.write( "for his inability to solve problems correctly and to make calculations accurately.\r
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\n" ); document.write( "\n" ); document.write( "So be very careful when you obtain \"solutions\" from him.\r
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\n" ); document.write( "\n" ); document.write( "In half of all cases  (if not at most cases)  they are wrong.\r
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\n" ); document.write( "\n" ); document.write( "Do not trust him and always wait for reaction of other tutors.\r
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\n" ); document.write( "\n" ); document.write( "In the normal school environment he would be fired in the second day.\r
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\n" ); document.write( "\n" ); document.write( "I think about thousands of visitors and students who do understand almost nothing in Math and who were misguided
\n" ); document.write( "by his false and wrong quasi- and pseudo-\"solutions\".\r
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\n" ); document.write( "\n" ); document.write( "People,  be careful about  @josgarithmetic  !   !    !\r
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