document.write( "Question 962800: For the function f(x)=2x+5\r
\n" ); document.write( "\n" ); document.write( "Find:
\n" ); document.write( "a) f(2)+f(3)
\n" ); document.write( "b) f(-1)+f(10
\n" ); document.write( "c) f(a)+f(-2a)
\n" ); document.write( "d) f(a+2)+f(a-2)
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Algebra.Com's Answer #588235 by amarjeeth123(569)\"\" \"About 
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f(x)=2x+5
\n" ); document.write( "f(2)=9
\n" ); document.write( "f(3)=11
\n" ); document.write( "f(2)+f(3)=20
\n" ); document.write( "f(-1)=3
\n" ); document.write( "f(10)=25
\n" ); document.write( "f(-1)+f(10)=28
\n" ); document.write( "f(a)=2a+5
\n" ); document.write( "f(-2a)=-4a+5
\n" ); document.write( "f(a)+f(-2a)=-2a+10
\n" ); document.write( "f(a+2)=2(a+2)+5=2a+9
\n" ); document.write( "f(a-2)=2(a-2)+5=2a+1
\n" ); document.write( "f(a+2)+f(a-2)=4a+10
\n" ); document.write( "
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