Speed (m/s) 20- 2 3 10 100 Time (seconds) NOT TO SCALE 130 The speed-time graph shows information about the journey of a tram between two stations. (b) Calculate the average speed of the tram for the whole journey. AVERAGE SPEED TOTAL DISTANCE Time 2200⋆ 1305 16.9% 16.9

Farms in the United States The graph gives the number of farms in the United States from 1850 to 2000. aEstimate the average rate of change in the number of farms between i 1860 and 1890 and ii 1950 and 1970. bIn which decade did the number of farms experience the greatest average rate of decline?

DVD Player sales The table shows the number of DVD play-ers sold in a small electronics store in the years 2003-2013. What was the average rate of change of sales between 2003 and 2013? Whatwas the average rate of change of sales between 2003 and 2004? What was the average rate of change of sales between 2004 and 2005? Between which two successive years did DVD player sales increase most quickly?

The U.S. Census tracks the percentage of persons 25 years or older who are college graduates. That data forseveral years is given in Table 4[14]. Determine whether the trend appears linear. If so, and assuming the trendcontinues. in what year will the percentage exceed 35%?

Time (secs) 0 30 60 90 120 150 180 Speed (mi/secs) 0.00 0.03 0.08 0.16 0.27 0.42 0.65 9. The table above gives the speeds, in miles per second, at various times for a test rocket that was fired upward from the surface of Earth. Use the values in the table to give a lower and upper estimate of the number of miles traveled during the first 180 seconds.

CAN YOU PLEASE SHOW WORK AND CAN YOU PLEASE DO THIS FASTT THANK YOU

Movement of the Pacific Plate The Pacific plate (the floor of the Pacific Ocean) near Hawaii is moving at about 0.000071 kilometer per year. This is about the speed at which a fingernail grows. Use scientific nota- tion to determine how many kilometers the Pacific plate travels in 1 million years.

The table shows the position of a motorcyclist after accelerating from rest. t (seconds) 0 s (feet) 0 4.9 10.6 23.1 (a) Find the average velocity (in ft/s) for each time period. (i) [2, 4] 19.85 (ii) [3, 4] 27.2 (iii) [4, 5] 59.1 1 (iv) [4, 6] 93.8 ft/s ft/s ft/s ft/s 2 3 4 50.3 5 6 109.4 237.9 (b) Plot the points in the table to create a graph of s as a function of t to estimate the instantaneous velocity (in ft/s) when t = 3. (Round your answer to one decimal place.) ft/s

The table gives the outside temperature in degrees Fahrenheit on a winter day in Death Valley, California.   Calculate the average rate of change in temperature between 8:00 am and 11:00 am

The graph on the right shows the remaining life expectancy, E, in years for females of age x. Find the average rate of change between the ages of 50 and 60. Describe what the average rate of change means in this situation. Life Expectancy in years 60- 40- 20- 0 20 CITR (40 39.9) 40 (50 29.8) (60 20.4) 60 (70 12.5) 80 The average rate of change of life expectancy between the ages of 50 and 60 is (Type an integer or a decimal.) X Q Q G