Use Inequality Notation and Interval Notation to Describe the Set

question 554

Multiple Choice

Use inequality notation and interval notation to describe the set. ​
The annual rate of inflation r is expected to be at least 4% but no more than 9%.
​

• A)Inequality : 4% ≤ r ≤ 9% Interval : [4, 9]
• B)Inequality : 4% < r ≤ 9% Interval : [4, 9]
• C)Inequality : 4% < r < 9% Interval : [4, 9]
• D)Inequality : 4% ≤ r < 9% Interval : [4, 9]
• E)Inequality : 4% > r > 9% Interval : [4, 9]

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Definitions:

All-In-One

A single device that combines multiple functionalities, such as a computer that integrates the monitor, CPU, and other components.

Hard Drive

A digital information storage device that utilizes one or more swiftly rotating, rigid disks coated with a magnetic substance for data storage and retrieval.

RAM

Random Access Memory, a type of computer memory that can be accessed randomly; any byte of memory can be accessed without touching the preceding bytes.

Motherboard

The main printed circuit board (PCB) in computers and other expandable systems which houses the CPU, memory, and provides connectors for other peripherals.