Determine whether the graph below is that of a function by using the$$ vertical$-$line test. If it$$ is$,$ use the graph to find

$($a$)$

its domain and range.

$($b$)$

the$$ intercepts, if any.

$($c$)$

any symmetry with respect to the$$ x$-$axis, y$-$axis, or the origin.

$.$

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Question content area top right

Part $1$

$1$

$-1$

A coordinate system has a horizontal axis labeled from negative StartFraction $3$ pi Over $2$ EndFraction to StartFraction $3$ pi Over $2$ EndFraction in increments of StartFraction pi Over $2$ EndFraction and a vertical axis labeled from negative $1\mathrm{.}5$ to $1\mathrm{.}5$ in increments of $1.$ Upper A curve starts at the point left parenthesis negative pi comma $0$ right parenthesis comma falls until it reaches the point left parenthesis negative StartFraction pi Over $2$ EndFraction comma negative $1$ right parenthesis comma then rises comma passing through the origin comma until it reaches the point left parenthesis StartFraction pi Over $2$ EndFraction comma $1$ right parenthesis comma then falls and ends at the point left parenthesis pi comma $0$ right parenthesis $.$

Question content area bottom

Part $1$

Is the graph that of a$$ function?

Yes

Your answer is correct.

No

Part $2$

If the graph is that of a$$ function, what are the domain and range of the$$ function? Select the correct choice below and fill in any answer boxes within your choice.

A$.$

The domain is

$$

enter your response here. The range is

$$

enter your response here.

$($Type your answers in interval$$ notation.$)$

B$.$

The graph is not a function.