Which of the following relations is a function? OA. (2.0), (-1, 3), (7, 1), (-1,5)
OB. (2,4), (-1, 2), (7, 1), (-8, 2)
OC. (7,1),(-1, 4), (2, 1), (7, 2)
OD. (2, 4), (-1, 6), (2, 3), (-8, 2)

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Im literally having a mental breakdown