Find the derivative. 

A.  
B.  tan3/2 x
C. sec2 x  
D. sec x tan3/2 x


Answer: C

Mathematics

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Find the GCD or LCM as indicated.Given 48, 162, and 9, find the LCM.

A. 324 B. 1296 C. 432 D. 648

Mathematics

Simplify the expression.9x - (5 - 4x)

A. 5x - 5 B. 9x - 9 C. 13x - 5 D. 13x + 5

Mathematics

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 100°C?

A. 1 hr B. 2 hr C. 8 hr D. 4 hr

Mathematics

Add and, if possible, simplify. + 

A.
B.
C.
D.

Mathematics