Multiple Choice Question (MCQ)

For f(x) = 3x^2 + 4, g(x) = 2, and h = {(1,1), (2,1), (3,2)},

  1. ×

    f is the only function

  2. ×

    h is the only function

  3. ×

    f and g are the only functions

  4. ×

    g and h are the only functions

  5. ✓

    f, g, and h are all functions

Collected in the board: Function

Steven Zheng posted 2 years ago

Answer

  1. A function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

    For each value of x in f, g, and h there is only one value

    Therefore, f, g, and h are all functions

Steven Zheng posted 2 years ago

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