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Sketch the graph of each function below and give the domain and range for :
1. f(x)= ( x-1)to the power of two minus 2.

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Willy

  1. 1. F(x) = Y = (X-1)^2 - 2.
    To graph the function,find 2 points on each side of the vertex:

    (-1,2), (0,-1), V(1,-2), (2,-1), (3,2).

    Domain: Since there is no denominator that can become zero and cause the function to be undefined, the domain
    is all real values of X.

    Range: The lowest point on the graph
    is the vertex with a Y-coordinate of
    -2. Therefore, the range is all values
    of Y from -2 to infinity.

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    Henry

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