Which function is not one to one?
1) {(0,1), (1,2), (2,3), (3,4)}
2) {(03)}
3) {(0,1), (1,0), (2,3), (3,2)}
4) {(0,1), (1,0), (2,0), (3,2)}

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)