Please help me get this answer

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

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.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000