QUICK Which set of ordered pairs does not represent a function?
O{(-4,3), (1, -6), (-8, -1),(1,9)}
O {(9,-8),(-8,-5), (3, -8),(-1,-6)}
O {(2,4), (-3, -8), (-4, -8), (1, -7)}
O{(-9,5), (9,0), (2,5),(-1,-6)}

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same