# SOLUTION: Can you help me find F(4)and the domain for the function: F(x)=10x + 1 / x squared - 9x

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 Click here to see ALL problems on Functions Question 72391: Can you help me find F(4)and the domain for the function: F(x)=10x + 1 / x squared - 9xAnswer by stanbon(57231)   (Show Source): You can put this solution on YOUR website!find F(4)and the domain for the function: F(x)=(10x + 1) /( x squared - 9x) F(x) = (10x+1)/(x(x-9)) The denominator cannot be zero; so x cannot be 0 and x cannot be 9. Therefore the domain is all real number except x=0 and x=9. --------------- F(4) = (10*4 +1)/(4^2-9*4) F(4) = 41/-20 ---------- Cheers, Stan H.