Question

$f\left(x\right)=x/x$ and $\varphi \left(x\right)=1.$, is $\varphi \left(0\right)=f\left(0\right)$.
If yes enter 1 else 0

Answer 1

$f\left(x\right)=\frac{x}{x}$ which is defined only if $x\ne 0$
Hence $f\left(x\right)=1,x\ne 0$
Thus f is not defined at $x=0$, so we can't compare