Help needed asap will give brainliest

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

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?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2