Q. 2 - Precalculus Enhanced with Graphing Utilities

Question

Determine whether each relation represents a function. For each function, state the domain and range.

$\left\{\left(4,-1\right),\left(2,1\right),\left(4,2\right)\right\}$

Step-by-Step Solution

Answer

The given relation is not a function.

Step 1. Given information.

Consider the given question,

$\left\{\left(4,-1\right),\left(2,1\right),\left(4,2\right)\right\}$

This relation is not a function.

Step 2. State the reason.

Consider the given question,

The two ordered pairs,$\left(4,-1\right),\left(4,2\right)$have the same first elements and different second elements.