which of the following expressions represents a function?
x² + y² = 9
{(4,2), (4, -2), (9,3), (9, -3)}
x=4
2x + y = 5

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Name the most appropriate metric unit for each measurement like the mass of cow

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de