PLEASE HELP! ILL MARK BRAINLIEST!!

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Write the expression 7x^3-28xy^2 as the product of 3 factors

Suppose your sat score is 2040. a college with an average sat score for admintted students of which of these would most likely be your best option?