(a) The number of tourists visiting a certain country is a linear function of time. Using this fact, fill in the blanks in the following table. Be sure to show your work. Date N: number of tourists (in thousands) 1979 103 1983 91.8 1987 80.6 1991 1995 (b) Find a formula for a linear function that models the data in the table (N as a function of t, the number of years since 1979.) N = t + (c) Explain in practical terms the meaning of the slope of the function you found in Part (b). O The rate at which a tourist visits the country every year O The number of years since the last visit of the tourists O The number of tourists visiting the country on a given year O The rate at which the number of tourists is decreasing every year (d) Use your formula from Part (b) to predict the date when the number of tourists will drop to 49.8 thousand.

Each year, the campers at Pamela's summer camp try to set that summer's record for finishing the obstacle course as quickly as possible. Record obstacle course completio times 30 29 28 27 26 25 24 23 22 Year According to the graph, what was the rate of change between 2018 and 2019? minutes per year Record time (minutes) 2017 2018 2019 2020 2021

The value of a brand new car is $10,000$10,000 and the value depreciates 18% every year. Write a function to represent the value of the car after �t years, where the quarterly rate of change can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percentage rate of change per quarter, to the nearest hundredth of a percent.

Write an algebraic expression for a function that shows the town’s growth.   Year 1900 1910 1920 1930 Population 5,000 10,000 20,000 40,000