The spread of CORONA virus is given by the equation, ?=????? If there were initially 500 people infected by the virus by March 2020 and t is given in weeks, and r is the growth rate of the virus. I. How many people are infected after 84 days when the grow

Question

Question

The spread of CORONA virus is given by the equation,

?=?.e^rt

If there were initially 500 people infected by the virus by March 2020 and t is given in weeks, and r is the growth rate of the virus.

I. How many people are infected after 84 days when the growth rate is 0.195? [4 Marks]

II. At what rate will cause the infected number of people to rise to 1500 in 21 days? [5 Marks]

III. How long will it take for the initial number of infected to be quadrupled if the growth rate was at 0.21? [6 Marks]

Answer 1

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