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A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
A scuba diver is 20 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface after 50 seconds. What is the scuba divers rate of change?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
Mrs. Brown bought 22 eggs on Monday morning and there were only 1 left on Wednesday evening. What is the average rate of change between Monday and Wednesday?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
A snack bar is having a sale on hamburgers. At 9:00AM, the snack bar has sold 28 hamburgers. At 12:00PM, the snack bar discovers that it has sold 103 hamburgers. What is the average rate of change between 9:00AM and 12:00PM?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
Jenny conducted a science experiment on the cooling temperature of water. After 5 minutes the temperature was 95 degrees F. After 10 minutes the temperature was 90 degrees F. What is the rate of change?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
Jill is operating a computer to solve math problems. There are a total of 100 problems for her to solve. She worked from 3 o’clock to 5 o’clock, after which there were only 40 problems left to solve. What is the average rate of problems solved?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
Michael started a savings account with $300. After 4 weeks, he had $350 dollars, and after 9 weeks, he had $400. What is the rate of change of money in his savings account per week?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
Jack is driving from his house to the airport. At 9:00AM, he is 150 miles from the airport. At 10:30AM, he is 75 miles from the airport. What is Jack’s average driving speed between 9:00AM and 10:30AM?
75 ft/hr
down 2 ft/sec
$10/week
30 problems/hr
7 eggs per day
25 burgers sold per hour
-1 degree/minute
50 miles per hour
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