Which of the relations given by the following sets ordered pairs is a function?

Which shows the pre image of triangle xyz

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p