Zoya has to eran a least $300 to meet her fundraising goal. she has only 100 bracelets that she plans to sell at $5 each. what inequality shows the number of bracelets, x, zoya can sell to meet her goal?

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.

How do i do this? i don’t understand

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)