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1-38.
  1. If , 1-38 HW eTool (Desmos) Homework Help ✎

    1. Find the domain and range of f(x).

    2. Find expressions for f(−x), , and f(x + h).

Domain: Notice the x in the denominator. What values of x must be excluded?
Range: Notice that x is squared. What does this mean about the outputs of f(x)? Furthermore, what will the +1 do to the range?

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