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17 December, 04:15

Find an expression for the function whose graph is the given curve.

The top half of the circle x^2 + (y - 3) ^2 = 4

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  1. 17 December, 04:40
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    We can accomplish this by:

    (y-3) ^2=4-x^2

    Now, lets take the square root of both sides:

    y-3=±sqrt (4-x^2) y=±sqrt (4-x^2) + 3

    Now, we only need the top half or the positive half so this means that our answer is simply:

    y=sqrt (4-x^2) + 3
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