document.write( "Question 28670: a) Find f(0), B) solve f(x)=0 for f(x)=4x+7. \n" ); document.write( "
Algebra.Com's Answer #15618 by sdmmadam@yahoo.com(530)\"\" \"About 
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a) Find f(0), B) solve f(x)=0 for f(x)=4x+7.\r
\n" ); document.write( "\n" ); document.write( "Given: f(x)=4x+7.
\n" ); document.write( "a) Putting x=0 we get f(0)
\n" ); document.write( "Therefore f(0) = 4X(0) + 7 = 0+7 = 7
\n" ); document.write( "Answer: f(0) = 7
\n" ); document.write( "b) To solve for F(x) = 0
\n" ); document.write( "Given f(x)=4x+7.
\n" ); document.write( "Putting f(x) = 0
\n" ); document.write( "we get 4x+7 = 0
\n" ); document.write( "4x = -7 (adding -7 to both the sides)
\n" ); document.write( "Dividing by 4
\n" ); document.write( "4x/4 = (-7)/4
\n" ); document.write( "x = -7/4
\n" ); document.write( "Answer: x= -7/4 when f(x) = 0
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