Consider the function $f$:$N\to Z$ defined as $f(x)=x^4+x^2$

Use this information to answer the questions below. All answers should be yes or no$.$

Is the function injective? $($yes$/$no$)$ Blank $1$

Is the function surjective? $($yes$/$no$)$ Blank $2$

Is the function bijective? $($yeSf$न०)$ Blank $3$

Blank $1$ Add your answer

Blank $2$ Add your answer

Blank $3$ Add your answer