document.write( "Question 1136695: Given the equation y=35(0.57)^x\r
\n" ); document.write( "\n" ); document.write( "(a) Does this equation represent growth or decay?\r
\n" ); document.write( "\n" ); document.write( "(b) What is the rate of growth or decay?\r
\n" ); document.write( "\n" ); document.write( "(c) What is the initial value\r
\n" ); document.write( "\n" ); document.write( "(d) Evaluate for x=3\r
\n" ); document.write( "\n" ); document.write( "(I can tell it is decay, but for the rest I am lost)
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Algebra.Com's Answer #754499 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
recall:\r
\n" ); document.write( "\n" ); document.write( "\"y=a%2Ab%5Ex\"\r
\n" ); document.write( "\n" ); document.write( "if \"b%3E1\", represents \"growth\" function
\n" ); document.write( "if \"0%3Cb%3C1\", represents \"decay\" function\r
\n" ); document.write( "\n" ); document.write( "you are given\r
\n" ); document.write( "\n" ); document.write( "\"y=35%280.57%29%5Ex\"\r
\n" ); document.write( "\n" ); document.write( "(a) Does this equation represent growth or decay?\r
\n" ); document.write( "\n" ); document.write( "since \"b=0.57\"=>\"0%3Cb%3C1\", and your function represents \"decay\" \r
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\n" ); document.write( "\n" ); document.write( "(b) What is the rate of growth or decay?\r
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\n" ); document.write( "\n" ); document.write( "recall: \"y+=+a%281+-+r%29%5Ex\" where \"r\" is rate of decay, \"a\" is initial value\r
\n" ); document.write( "\n" ); document.write( "in your case \"1+-+r=0.57\"=>\"r=1-0.57\"=>
\n" ); document.write( "\"r=0.43\"\r
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\n" ); document.write( "\n" ); document.write( "(c) What is the initial value\r
\n" ); document.write( "\n" ); document.write( "\"a=35\"\r
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\n" ); document.write( "\n" ); document.write( "(d) Evaluate for \"x=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=35%280.57%29%5E3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=35%2A0.185193\"\r
\n" ); document.write( "\n" ); document.write( "\"y=6.481755\"\r
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