Use the table below to answer the following questions. If there is more than one answer to a question, enter as a comma$-$separated list of values. Enter $N$ if there is no answer.

$($a$)$ For what values of $x$ is $y=1?$

$($b$)$ For what values of $x$ is $y=5?$

$N$

$($c$)$ For what values of $y$ is $x=-1?$

$1$

$($d$)$ For what values of $x$ is $y0?$

$($e$)$ What is the minimum value of $y?-48$

At what value of $x$ does it occur?

$2$

$($f$)$ What is the maximum value of $y?4$

At what value of $x$ does it occur?