Aroast turkey is taken from an oven when its temperature has reached 185°f and is placed on a table in a room where the temperature is 75°f.
the graph shows how the temperature of the turkey decreases and eventually approaches room temperature.
by measuring the slope of the tangent, estimate the rate of change of the temperature after an hour.

It is very important to look at the graph very minutely. It can be seen that at 30 minutes the slope is a little more than negative 50 and at 90 minutes it is a little less than negative 50. From this fact, it can be deduced that the estimated rate of change of the temperature after an hour would be -50/60. I hope that the answer has come to your desired help.

$60

Step-by-step explanation: The shop had $2,000 in sales on Monday. 

If it fell by 10% on Tuesday, then 2000 * 0.10 equals the percentage it dropped, so it dropped by $200. So they only had $1,800 in sales on Tues. 

If they fell by another 20% on Wednesday, 1,800 * 0.20 equals a $360 drop. Now we're at $1,440. 

The sales then increased by 25% of Monday's total # of sales. 25% of Monday's sales is 2,000 * 0.25 which equals a $500 increase. Now we're at $1,940. 

Now that we're done with everything, how far are we from the beginning? That's the net change. :) We began at $2,000 on Monday, and ended with $1,940 on Thursday. 2000 - 1940 is 60, so 60 = your net change. 

TLDR: Sold $2,000 on Mon, sold $1,800 on Tues, sold $1,440 on Wed, and then sold $1,940 on Thurs. The net change is $60.

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