algebra

Which statements are true of functions? Check all that apply.

All functions have a dependent variable.
All functions have an independent variable.
The range of a function includes its domain.
A vertical line is an example of a functional relationship.
A horizontal line is an example of a functional relationship.
Each output value of a function can correspond to only one input value.

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  2. 👎
  3. 👁
  4. ℹ️
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  1. yes
    yes
    no. consider y = 1/x^2
    no - it fails the vertical line test
    yes
    no. consider y = 1/x^2

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    👤
    oobleck
  2. 1.All functions have a dependent variable.
    2. All functions have an independent variable.
    3.A horizontal line is an example of a functional relationship.

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    2. 👎
    3. ℹ️
    4. 🚩

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