This one is pretty straightforward. It is asking you to find D(2), the value of the function D(t) when t = 2. You can just plug t=2 into the equation and evaluate.
D(2) = 30e-(1/2)2 = 30e-1 = 30/e
30/e is approximately 11.0363832351, so the answer would be would be approximately 11.0 mg.
Brandon T.
tutor
Hi Mark,
I'm new to Wyzant, so I apologize in advance if I did something wrong. If this was for an active test, then I agree with you and would like to take down my answer.
I'm a little confused here about situation, though. I assumed this was for a practice test. If this is for an actual test, then I feel like the test administrator needs to police this better.
Also, did the poster of the question openly advertise that they wanted help cheating on a test in the title question. That seemed so brazen that I didn't think that's what they meant. I could be wrong on this though.
Let me know.
Thanks,
Brandon
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08/02/22
Mark M.
This is posted as a math test question. Getting and giving assistance on such is contrary to academic honesty.08/01/22