The equation y = 2x represents a set of data. Which statement is NOT true?
The slope of the line is 2.

The unit rate is 2.

The constant of
proportionality is 2.

The initial value is 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.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11