Note that a change can be an increase or a decrease.For an increase, use a positive number.For a decrease, use a negative number.(a)A tram moved upward 5 meters per second for 15 seconds. What was the total change in the tram's elevation?75meters(b)In a lab, a substance was cooled by 6°C over a period of 3 hours at a constant rate. What was the change in temperature each hour?2°C

: Find the average rate of change for the scenario below.Travis is hiking and after 22 hours, he is at an altitude of 400400 ft. After 66 hours, he is at an altitude of 700700 feet. What is his average rate of change?Rate of Change == Answer 1 Question 17 ft/hour

Student A’s results are shown in Figure 2.What was the decrease in temperature between 0 and 160 seconds?*2 points8.2 °C8.4 °C53.2 °C55.6 °C

Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number.For a decrease, use a negative number.(a)Laura pumped 42 gallons of water out of her pool. This was done over a period of 6 minutes at a constant rate. What was the change in the amount of water in the pool each minute?7gallons(b)Carlos added 8 fish to his pond each day for 72 days. What was the total change in the number of fish in the pond?576fish

Answer the questions below.Note that a change can be an increase or a decrease.For an increase, use a positive number.For a decrease, use a negative number.(a)Jenny owns 9 shares of a certain stock. Yesterday the total value of her shares went down by 90 dollars. What was the change in value for each share?dollars(b)A private club grew by 7 members each week for 21 weeks. What was the total change in the club's size?members

A body cools from 80 °C to 50 °C in 5 minutes. Calculate the time it takes to cool from60 °C to 30°C. The temperature of the surroundings is 20 °C.