Initial number of Bacteria = Ao = 100
Number of Bacteria which make the person ill = A = 45,000,000
Growth rate = r = 150% = 1.50
The equation model for this situation is:

Using the values in above equation, we can write:
This means, the person will fall sick after about 14 hours.
Answer: it is stretched vertically by a factor of 3
Step-by-step explanation:i make a unit test and get 100% that is correct.
I hope This help;)
The answer is: cosV=39/89=0,43