document.write( "Question 101240: If f(x)= 4x-3 then find f(-1).
\n" ); document.write( "I really do not understand the whole function notation. Any help that can be given or any words to go by would be very much appreciated. Thanks.
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Algebra.Com's Answer #73740 by doukungfoo(195)\"\" \"About 
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If f(x)= 4x-3 then find f(-1).\r
\n" ); document.write( "\n" ); document.write( "This just means replace the x with -1 and perform the operations
\n" ); document.write( "so
\n" ); document.write( "f(-1)= 4(-1)-3
\n" ); document.write( "f(-1)= -4 - 3
\n" ); document.write( "f(-1)= -7
\n" ); document.write( "thats it\r
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\n" ); document.write( "\n" ); document.write( "The term f(x) is what denotes a function and is read \"f of x\"
\n" ); document.write( "The 4x-3 shows what operations you need to
\n" ); document.write( "perform when given and input number.
\n" ); document.write( "-1 is the given input number.
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