Answer:
Check the explanation
Step-by-step explanation:
a) The following exponential model would fit the given dataset : 
b) To cool down to 110 degrees, it would take approximately 7.3 minutes based on the above model.
Answer: 500,000
Step-by-step explanation:
3.5M/7=500,000
The domain is the corresponding value of x
so, as shown at the graph :
The line starts at x =