is this a function or not? because it has two same y's and x's...
{(-6,3), (-3,-6), (4,-6), (4,-3)}
thank you!
no, because 4 has two images.
f(4) cannot be both -6 and -3.
{(-6,3), (-3,-6), (4,-6), (4,-3)}
thank you!
f(4) cannot be both -6 and -3.