TRUE or FALSE

4.) (0,3,5,7,9) is a function
5.) The rule y=2x-1 is a function
6.) A function is not relation
7.) A rule is a function of for every value of x, there is only one corresponding value of y
8.) A graph is a function of every vertical line intersects the graph more than once
9.) A set of ordered pairs is a function of no distinct ordered pairs have equal abscissa​