AM-1549
Exponential and logarithmic models
A Math · Secondary 4 · Medium · Exponential and logarithmic models
A medicine in the bloodstream is modelled by
where is the concentration in mg/L and is the time in hours after injection.
Find the time when the concentration first reaches 5 mg/L.
where is the concentration in mg/L and is the time in hours after injection.
Find the time when the concentration first reaches 5 mg/L.
- 5.97 h
- 1.80 h
- 3.00 h
- 9.95 h
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