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# Points, Vectors, and Functions

# Functions Exercises

### Example 1

Determine whether each statement is true or false. Explain your reasoning.

- The equation
*y*=*x*^{3}describes*y*as a function of*x*.

### Example 2

Determine whether each statement is true or false. Explain your reasoning.

- The equation
*y*=*x*^{3 }describes*x*as a function of*y*.

### Example 3

Determine whether each statement is true or false. Explain your reasoning.

- The equation
*z*= 8*x*describes*x*as a function of*z*.

### Example 4

Determine whether each statement is true or false. Explain your reasoning.

- The equation
*z*=*y*^{4}describes*z*as a function of*y.*

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### Example 5

Determine whether each statement is true or false. Explain your reasoning.

- The equation
*z*=*y*^{4}describes*y*as a function of*z.*

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