Regression Models — Unit test Answers

The table shows the distance in feet, y, that a rocket traveled in x seconds.

Juan analyzes the amount of radioactive material remaining in a medical waste container over time. He writes the function f(x)=10(0.98)x to represent the amount of radioactive material that will remain after x hours in the container.Rounded to the nearest tenth, how much radioactive material will remain after 10 hours?

The table shows the population of a small town over time. The function P = 10,550(1.1)x models the population x years after the year 2000.

The scatterplot shows the number of athletes on the field hockey and tennis teams at Southern High School during seven different years. Which statement is best supported by the line of best fit?