Find the derivative of the function.y = ln 

A.
B.
C.  - ln 3
D.


Answer: D

Mathematics

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Write the expression in terms of sines and/or cosines, and then simplify.sec ? + sin ?

A.
B.
C.
D. sin ?

Mathematics

Simplify.- 

A. - 
B.
C.
D. - 

Mathematics

Solve the problem.Use the formula L = 10 ? log , where the loudness of a sound in decibels is determined by I, the number of watts per square meter produced by the sound wave, and  What is the intensity of a noise measured at 56 db?

A. 3.98 × 10-6 watts per square meter B. 5.6 × 10-10 watts per square meter C. 3.98 × 10-7 watts per square meter D. 2.7 × 1014 watts per square meter

Mathematics

Write the expression using exponents.4p ? 4p ? 4p ? 4p

A. 44p B. 4p4 C. (4p)4 D. 16p

Mathematics