Let
​ ​
Find the Set $A \cup C$

question 69

Essay

Let
​ $\begin{array} { l } A = \{ \text { Janet, Justine, Solly, Lucy } \} \\B = \{ \text { Justine, Lucy, Jennifer } \} \\C = \{ \text { Ruth, Justine, Lucy } \}\end{array}$ ​
Find the set $A \cup C$ .

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Definitions:

Relative Change

The measure of change in a variable relative to its initial value, often expressed as a percentage.

Inelastic

Describes a situation where the quantity demanded or supplied of a good or service changes by a relatively small amount in response to changes in its price.

Quantity Demanded

The amount of a product or service consumers are willing and able to buy at a given price over a specified period of time.

Unit Elasticity

Demand or supply for which the elasticity coefficient is equal to 1; means that the percentage change in the quantity demanded or quantity supplied is equal to the percentage change in price.