Multiple Choice Question (MCQ)

What value(s) must be excluded from the domain of

f=\{(x,y):y=\dfrac{x+2}{x-2} \}

  1. ×

    -2

  2. ×

    0

  3. 2

  4. ×

    2 and -2

  5. ×

    no value

Collected in the board: Function

Steven Zheng posted 2 weeks ago


Answer

  1. Since the denominator of a fraction is not allowed to be 0,

    x-2 \ne0

    Therfore

    x \ne2

    The correct ansower is C


Steven Zheng posted 2 weeks ago

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