Question: Can you explain this: A Petri dish initially contains 2000 bacteria cells. An antibiotic is introduced and after 4 hour, there are now 1600 bacteria

Can you explain this: A Petri dish initially contains 2000 bacteria cells. An antibiotic is introduced and after 4 hour, there are now 1600 bacteria cells present. Let P (t) be the number of bacteria cells present t hours after the antibiotic is introduced.

(a) Suppose that P (t) is a linear function. Find a formula for P (t).

(b) Suppose that P (t) is an exponential function. Find a formula for P (t).

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