Determine Whether the Equation Defines Y as a Function of X

question 14

Multiple Choice

Determine whether the equation defines y as a function of x.
-y = x²

• A) function
• B) not a function

---

Definitions:

Saturation

The purity of a color, or the degree to which the light waves producing it are of the same wavelength.

Color Purity

The intensity and vividness of a color, without any dilution or mixture with other colors, indicating the color's saturation level.

Hue

The dimension of light that refers to the specific color perceived.

Brightness

The perception of light intensity produced by the visual system, influenced by the luminance of the object and the conditions of observation.