Which of the following relations describes a function? OA. {(-3,0), (0, 3), (3, 0), (0, -3) }
OB.
{(16,-4), (9, -3), (9, 3), (16,4)}
OC. {(3,-3), (0, 0), (3, 3), (4,4)}
OD.
{(-4, 16), (-3, 9), (3, 9), (4, 16) }

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2