Why do you need to flip the inequality symbol

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

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.