Ƒ(x) = -5x + 4 what is the answer to this problem in explained form.

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

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

What is perpendicular to y=-1/2x+11