The Graph of the Equation Is a Parabola $y = x ^ { 2 } + 4$

question 48

Multiple Choice

The graph of the equation is a parabola. Determine whether the parabola opens upward, downward, to the left, or to the
right. Do not graph.
- $y = x ^ { 2 } + 4$

• A) downward
• B) to the left
• C) to the right
• D) upward

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Definitions:

Stage 1 Sleep

The initial phase of the sleep cycle, characterized by light sleep, easy wakefulness, and a decrease in bodily movement and heart rate.

Reticular Activating System

A network of neurons located in the brainstem that plays a key role in regulating wakefulness, alertness, and transitions between sleep and wakefulness.

Hypothalamus

A subcortical structure that plays a vital role in controlling many motivated behaviors, like eating, drinking, and sexual activity.

Prefrontal Cortex

A region of the brain associated with decision making, personality expression, cognitive planning, and moderating social behavior.