This is for someone I know. They got banned. Please don't troll.

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27