The graph shows how many calories are in different amounts of popcorn. Which of these statements is true?

1. There are 125 calories in 2 cups of popcorn.
2. There are 50 calories per cup of popcorn.
3. The unit rate of calories in popcorn is 73.5 calories per cup.
4. There are 1.5 calories in 75 cups of popcorn.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2