Decide Whether the Relation Is a Function A) Function
B) Not a Function

question 25

Multiple Choice

Decide whether the relation is a function.
-Tallest Roller Coaters in U.S. Amusement Parks $$\begin{array} { l | l l l l l l } \text { Amusement Park Name } & \text { Park A } & \text { Park A } & \text { Park B } & \text { Park C } & \text { Park B } & \text { Park A } \\\hline \text { Coaster Height (feet) } & 72 & 69 & 65 & 64 & 60 & 57\end{array}$$

• A) function
• B) not a function

---

Definitions:

Time-series Data

Data points collected or recorded at successive times, often with equal intervals between them.

Cross-sectional Data

A type of data collected by observing many subjects at the same point of time or without regard to differences in time.

Synchronous Data

Data that is collected or updated at the same time across the system or in a coordinated manner.

Cross-sectional Data

Data collected from a population at a specific point in time, used to observe variations among subjects.