Question 12 dy If dx and y = when x = 1, find y(2). %3D V3x-2 2 (A) 27 40 B) 27 27 26 27

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A: Find the area enclosed by the x-axis and the curve y= -x2+9 

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A: Given β = 10 log10II0           Where I0 = 10-12from βI = I010β10  

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A: Draw the graph of the cosine function with an amplitude of 12 . 

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