8. the amount f (t)of a certain medicine, in milligrams, in a patient's
bloodstream t minutes after being taken is given by f(t) =
find the amount of medicine in the blood after 20 minutes.

The amount of medicine in the patient's blood after 20 minutes is 2.6906 milligrams

Step-by-step explanation:

The amount of medicine in the patient's blood after 20 minutes will given by;

f(20)

since we are informed that the amount f(t) of a certain medicine in a patient's bloodstream t minutes after being taken is given by f(t);

We simply substitute t = 20 in the function f(t);

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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the answer is c hope it

step-by-step explanation: