Can someone tell me when we learn about Parametric functions? like what level of math class?

Question

anonymous · Answer

I'd say most students are introduced to parametric functions in pre-calc or at the calculus level. In any case, you probably already have been introduced to them, you just haven't realized it. A function like $y=f(x)$ is a parametric function, the parameter being $x$. The one's you may be thinking of have the form $\begin{cases}y=f(t)\x=g(t)\end{cases}$, with parameter $t$. The functions you're familiar with would be expressed as $\begin{cases}y=f(x)\x=x\end{cases}$.