Question

Find f(1) if

f(x)=2x³+x²-3x-1

Answer 1

\[\Large f(x)=2x^3+x^2-3x-1\]


\[\Large f(1)=2(1)^3+(1)^2-3(1)-1\]


\[\Large f(1)=2(1)+1-3(1)-1\]


\[\Large f(1)=2+1-3-1\]


\[\Large f(1)=-1\]