Which function is shown on the graph below?

Question

A graph with horizontal axis y and vertical axis x.
• Axis x is labeled 0 comma 2 comma 4 comma 6 comma 8 comma 10 and 12.
• Axis y is labeled from top to bottom 0 comma 2 comma 4 comma 6 comma 8 and 10.

A curved line is labeled:
• left-parenthesis 3 comma 1.7 right-parenthesis comma
• left-parenthesis 3.9 comma 2 right-parenthesis comma
• left-parenthesis 5 comma 2.25 right-parenthesis comma
• left-parenthesis 7.8 comma 3 right-parenthesis comma and
• left-parenthesis 11 comma 5 right-parenthesis comma.

(1 point)
Responses

lower y equals Start Root 2 lower x minus 6 End Root minus 1
Image with alt text: lower y equals Start Root 2 lower x minus 6 End Root minus 1

lower y equals Start Root 2 lower x plus 6 End Root plus 1
Image with alt text: lower y equals Start Root 2 lower x plus 6 End Root plus 1

lower y equals Start Root 2 lower x minus 6 End Root plus 1
Image with alt text: lower y equals Start Root 2 lower x minus 6 End Root plus 1

lower y equals Start Root 2 lower x plus 6 End Root minus 1

Answer 1

The function shown on the graph is:

y = √(2x - 6) - 1