Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. t = 4 minutes after the injection is given
B. t = 3.65 minutes after the injection is given
C. at the time of injection
D. t = 0.55 minutes after the injection is given
Answer: D
Mathematics
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Express the transform of the given expression in terms of s and ?
.y" - 2y', f 
= 0, f' 
= 0
A. s2?
- 2s?
B. s3?
- 2s?
C. s2?
D. s2?
- 2?
Mathematics
For an election with four candidates (A, B, C, and D) we have the following preference schedule:
Using the Borda count method, which candidate wins the election?
A. A B. B C. C D. D
Mathematics
Write the trigonometric expression as an algebraic expression containing u and v.cos(sin-1 u - cos-1 v)
A. v
+ u
B. v
- u
C. uv + (
)(
)
D. uv - (
)(
)
Mathematics
Provide an appropriate response.Is 
= 7?
Fill in the blank(s) with the appropriate word(s).
Mathematics