# 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. 👎
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4. ℹ️
5. 🚩
1. yes
yes
no. consider y = 1/x^2
no - it fails the vertical line test
yes
no. consider y = 1/x^2

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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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