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Chapter 8: Q15. (page 410)
Tell whether the ordered pair is a solution of the equation.
The ordered pair isnot a solution for the given equation.
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Spacecraft in 1997, the Pathfinder spacecraft landed on Mars. It contained a robotic vehicle named Sojourner that could roam up to 500 meters from the lander. The distance d (in meters) that Sojourner could travel in t hours is given by. How long would it take Sojourner to reach its maximum distance from the lander?
1. Copy and complete the table using the given equation
0 | 5 | 10 | 15 | 20 | 25 | 30 | |
? | ? | ? | ? | ? | ? | ? |
2. Use your completed table to graph .
3. Find the point on the graph whose d-coordinate is 500, and estimate the t-coordinate of this point. How much time would it take Sojourner to reach its maximum distance from the lander?
A skydiver uses an altimeter to track altitude so that he or she knows when to open the parachute. The altimeter determines altitude by measuring changes in atmospheric pressure. The graph below shows how pressure varies with altitude as a skydiver falls from 12,000 feet to ground level. (The elevation of the ground is assumed to be 0 feet with respect to sea level.)
Graph the equation.
.Represent the relation as a graph and as a mapping diagram. Then tell whether the relation is a function. Explain your reasoning.
The height of a person is measured every year from the age of 1 year to the age of 50 years.
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