Express the Graph Shown Using Interval Notation

question 221

Multiple Choice

Express the graph shown using interval notation. Also express it as an inequality involving x.
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Definitions:

Buffers

Substances that minimize changes in the pH of a solution by absorbing or releasing hydrogen ions.

pH

A logarithmic scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 (very acidic) to 14 (very basic) with 7 being neutral.

Hydrogen Ions

Positively charged ions (H+) that contribute to acidity or alkalinity of solutions and play critical roles in many biological processes.

Primary Structure

The linear sequence of amino acids in a protein, determining its shape and function through various types of chemical bonds.