100 points! graph each function by addition of ordinates, i dont need you to graph i only need to find the key angles and points. y = 2x^2 + x - 1

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What would the rule be for the reflection of y=-3

Find the solution on the interval [0, 2pi)