Can someone help me pls​

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.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585