Use the graph to answer the question.
Determine the interval on which this function is constant.
(1 point)
Responses
left-parenthesis 4 comma infinity right-parenthesis
Image with alt text: left-parenthesis 4 comma infinity right-parenthesis
left-parenthesis negative infinity comma 4 right-parenthesis
Image with alt text: left-parenthesis negative infinity comma 4 right-parenthesis
left-parenthesis negative 2 comma 2 right-parenthesis
Image with alt text: left-parenthesis negative 2 comma 2 right-parenthesis
left-parenthesis negative infinity comma negative 2 right-parenthesis union left-parenthesis 2 comma 4 right-parenthesis