document.write( "Question 824142: The sequence (An) is defined by A0=1 and A (n+1)= 2An +2 for n=0,1,2.... What is the value of A3? \n" ); document.write( "

Algebra.Com's Answer #496292 by jsmallt9(3758) $\"\"$ $\"About$

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$\"A%5B0%5D+=+1\"$
\n" ); document.write( " $\"A%5B1%5D+=+A%5B0%2B1%5D+=+2%2AA%5B0%5D+%2B+2+=+2%281%29+%2B+2+=+2+%2B+2+=+4\"$
\n" ); document.write( " $\"A%5B2%5D+=+A%5B1%2B1%5D+=+2%2AA%5B1%5D+%2B+2+=+2%284%29+%2B+2+=+8+%2B+2+=+10\"$
\n" ); document.write( " $\"A%5B3%5D+=+A%5B2%2B1%5D+=+2%2AA%5B2%5D+%2B+2+=+2%2810%29+%2B+2+=+20+%2B+2+=+22\"$
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