(a)A tram moved downward 45 meters in 5 seconds at a constant rate. What was the change in the tram's elevation each second? (b)In a lab, a substance was heated by 4°C each hour for 40 hours. What was the total change in temperature?

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

lol.

it's ok we all do this sometimes.

-aparri

d no solution

step-by-step explanation: