Find the value of f(4) for the function.
f(x) = -5(x+3)
f(4)=

Which formula gives the area of a triangle? a=1/2(b+h)

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.

Identify the number as a rational or irrational. explain. 127