I'm going to assume it's reflected over the x-axis, as reflecting over the y-axis does nothing to

So:

1) Reflection over x = 0: Sends y --> -y

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2) Stretching vertically by a factor of 2: Sends y --> (1/2)y (Trust me!)

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3) Translate 3 units to the left: Sends x --> x+3

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4) Translate 1 unit down: Sends y --> y+1

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-Dan