The concentration of a drug in an organ at any time t (in seconds) is given by  where  is measured in grams/cubic centimeter

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? 

Please round the answer to two decimal places.

? 



A.  sec
B.  sec
C.  sec
D.  sec
E.  sec

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Answer: D

Mathematics

Solve the problem.Find the volume of the region enclosed by the paraboloids  and .

A. 2500? B. 1250? C. 1875? D. 625?

Answer the question.Which of the statements below suggests an appropriate level of precision?

A. My temperature this morning is 37.6° F. B. My temperature this morning is 37.612° F. C. My temperature this morning is 40° F. [to the nearest 10 degrees] D. My temperature this morning is 37.6127° F.

Decide whether ?, ?, both, or neither can be placed in the blank to make a true statement.?     {4, 19, 28, 43}

A. ? B. ? C. Neither D. Both ? and ?

Answer the following statement(s) true (T) or false (F)

The curriculum "Mathematics: Modeling our World" exemplifies the approach of teaching through problem-solving.