What is the image of the point (6, -4) after a rotation of 180° counterclockwise about the origin?

Which of the following is true for the relation f(x)=2x^2+1

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

With both problems. a. s.a. p directions on photo ^