Which of the sets of ordered pairs represents a function? a = {(3, –5), (4, 6), (–3, 9), (2, 7)} b= {(2, 4), (–1, –7), (5, 6), (4, 3)} (5 points) only a only b both a and b neither a nor b

Which of the following expressions is equal to 2x^2+8

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0