linear function {Ans: A function whose graph is a straight line.}domain of a function {Ans: all the possible x-values of a function (inputs)}Parabola {Ans: the graph of a quadratic function}increasing function {Ans: A graph that has a positive slope and shows growth}y-intercept {Ans: where a line crosses the y-axis, x=0}maximum value of a function {Ans: the highest point on the graph of a function graph opens downward}