The products of the roots (1/2)x^2 -(5/4) x-3=0

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10