Which relation is a function and one-to-one?

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?