Given $f(x)=x^2+x+1,$ find the Slope of the graph of $,$ a$.$t $x=1$

Find equation of tangent line the graph of $f(x)=\frac{x^3+x+1}{x+1}$ at $x=1$

Answer

Find intervals where the graph of

$f(x)=\frac{x^3}{3}-\frac{x^2}{2}-20x+1is$

Increasing? Decreasing?

Inc:

Dec:

Answer