## Intermediate Algebra (12th Edition)

Published by Pearson

# Chapter 1 - Review Exercises - Page 131: 48

#### Answer

$A\cap C= \{ a \}$

#### Work Step by Step

$\bf{\text{Solution Outline:}}$ To get the elements of $A\cap C ,$ get all the common elements of $A$ and $C$. $\bf{\text{Solution Details:}}$ The intersection of $A$ and $C,$ given by $A\cap C$, are all the common elements of $A$ and $C$. With $A=\{ a,b,c,d \}$ and $C=\{ a,e,f,g \}$ then \begin{array}{l}\require{cancel} A\cap C= \{ a \} .\end{array}

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