Simplify. - 4

A. 44
B. 239
C. 240
D. 231


Answer: A

Mathematics

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Use implicit differentiation to find dy/dx.x = sec(9y)

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B.  cos(9y) cot(9y)
C.  sec(9y) tan(9y)
D. cos(9y) cot(9y)

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Estimate the fraction as 0, , or 1.

A. 0
B. 1
C.

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Determine the phase shift of the function.y = 2 cos 

A.  units to the left
B.  units to the right
C.  units to the right
D.  units to the left

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Provide an appropriate response.When any nonzero number is divided by 1, the result is .

A. impossible to compute B. 1 C. the nonzero number D. 0

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