Consider a function $f$:$NQ$ defined as $f(x)=\frac{x^2+1}{x^3+7}$

Is the function a relation containing the ordered pair $(-1,\frac{2}{6})?($yes or no$)$

Is the function injective? $($yes or no$)($

Is the function surjective? $($yes or no$)$

Is the function bijective? $($yes or no$)$