Write a story to describe a situation that would produce the following graph for the relationship between speed and time. Provide as much quantitative and qualitative information as possible. 50 C 40 D H 30 Miles per hour 20 10 A F -2 -1 1 2 4 8 9 10 11 12 13 14 15 16 17 Minutes -10

Consider the variation of temperature with altitude depicted in the graph below.   What is the “y-intercept”?

5 6 7 8 9 10 11 12 13 9 Write an equation for the line shown pictured in the graph.

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How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). x 3 6 12 15 21 y 60 95 140 172 173 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. A scatter diagram has a horizontal axis labeled "x (age (in months))" with values from 60 to 173 and a vertical axis labeled "y (average weight (in kg))" with values from 3 to 21. The scatter diagram has 5 points. A pattern goes up and right from (60, 3) to (173, 21).   A scatter diagram has a horizontal axis labeled "x (age (in months))" with values from 3 to 21 and a vertical axis labeled "y (average weight (in kg))" with values from 60 to 173. The scatter diagram has 5 points. A pattern goes down and right from (3, 173) to (21, 60).   A scatter diagram has a horizontal axis labeled "x (age (in months))" with values from 3 to 21 and a vertical axis labeled "y (average weight (in kg))" with…

2.An object whose temperature is 100°C is placed in a medium whose temperature is A°C. The temperature of the object falls to B°C in C min. a) Express the temperature T of the object as a function of time and draw its graph roughly to the scale. b)Calculate how long will it take the object to cool to 50°C. See table below to find "your" numerical values. A 25 30 35 R 0 1 2 B 80 75 70 C 10 15 20

This data describes the flight of a plastic glider launched from a tower on a hilltop. The height values are negative whenever the glider was below the height of the hilltop. Find the lowest point in the gliders path. TIME (s) HEIGHT (m) 0 9 1 5.5 2 2.5 3 0 4 -2 5 -3.5 6 -4.5 7 -5 8 -5 9 -4.5 10 -3.5 11 -2 12 0 13 2.5 14 5.5 15 9 16 13 17 17.5 18 22.5 19 28 20 34