document.write( "Question 1155720: Given the function f(x) = −2x^2 + 5x − 1, and g(x) = 5x + 3 evaluate the following:
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Algebra.Com's Answer #778354 by Edwin McCravy(20059)\"\" \"About 
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document.write( "Given the function f(x) = -2x^2 + 5x - 1, and g(x) = 5x + 3 evaluate the following:\r\n" );
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document.write( "a. f(-2)\r\n" );
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document.write( "Put -2 or (-2) in place of x in f(x) = -2x^2 + 5x - 1 \r\n" );
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document.write( "f(-2) = -2(-2)^2 + 5(-2) - 1\r\n" );
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document.write( " Leave the left side as it is, simplify the right side:\r\n" );
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document.write( "f(-2) = -2(4) - 10 - 1\r\n" );
document.write( "f(-2) = -8 - 10 - 1\r\n" );
document.write( "f(-2) = -19\r\n" );
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document.write( "b. f(3) + 7 \r\n" );
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document.write( "First find f(3) and then put + 7 after it:\r\n" );
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document.write( "Put 3 or (3) in place of x in f(x) = -2x^2 + 5x - 1 \r\n" );
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document.write( "f(3) = -2(3)^2 + 5(3) - 1\r\n" );
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document.write( "f(3) = -2(9) + 15 - 1\r\n" );
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document.write( "f(3) = -18 + 15 - 1\r\n" );
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document.write( "f(3) = -4\r\n" );
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document.write( "Now add +7 to both sides\r\n" );
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document.write( "f(3) + 7 = -4 + 7\r\n" );
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document.write( "f(3) + 7 = 3\r\n" );
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document.write( "c. g(x - 1) \r\n" );
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document.write( "Put x - 1 or (x - 1) in place of x in g(x) = 5x + 3  \r\n" );
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document.write( "g(x - 1) = 5(x - 1) + 3 \r\n" );
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document.write( " Leave the left side as it is, simplify the right side:\r\n" );
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document.write( "g(x - 1) = 5x - 5 + 3\r\n" );
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document.write( "g(x - 1) = 5x - 2\r\n" );
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document.write( "Edwin
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