Determine Whether or Not the Function Is One-To-One $f ( x ) = x ^ { 2 } - 4$

question 163

Multiple Choice

Determine whether or not the function is one-to-one.
- $f ( x ) = x ^ { 2 } - 4$

• A) No
• B) Yes

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Definitions:

Floppy Disk

A type of disk storage composed of a disk of thin and flexible magnetic storage medium enclosed in a square or rectangular plastic shell, now largely obsolete.

Platter

A rigid, flat surface in a hard disk drive where data is magnetically stored.

Spindle

A rotating axis of a machine, which tools or workpieces attach to for machining purposes.

Magnetic Disk Storage

Magnetic disk storage is a type of data storage that uses magnetic storage to record and retrieve digital information using one or more rotating disks.