PLEASE HELP The function y = f(x) has been transformed to y = f(kx). Determine the
value of k for each transformation.

a) a horizontal stretch by the factor 4
b) a horizontal compression by the factors

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.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

What would the rule be for the reflection of y=-3