Solve the problem.Suppose that a metal block is cooling so that its temperature T(in °C) is given by  where t is in hours. How long has the cooling been taking place if the block now has a temperature of 200°C?

A. 16 hr
B. 4 hr
C. 8 hr
D. 2 hr

Answer: B

Mathematics

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Find the Taylor polynomial of order 3 generated by f at a.f(x) = , a = 1

A. P3(x) =  -  +  - 
B. P3(x) =  -  +  - 
C. P3(x) =  -  +  - 
D. P3(x) =  -  +  - 

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Combine. Simplify the answer. - 

A.
B.
C.
D.

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Evaluate exactly.sec

A. 2
B. -1
C.
D. -2

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Place the correct symbol, < or >, in the blank between the whole numbers.441,001  440,110

A. > B. <

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Mathematics