Question
Suppose $P$ is the set of people alive today and $C$ is the set of possible eye colors. Let $f: P \rightarrow C$ be the rule that assigns to each person his or her eye color. Is $f$ a function? Why or why not?
Step 1
A function $f$ from a set $A$ to a set $B$ is a rule that assigns to each element $x$ in set $A$ exactly one element in set $B$. Show more…
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Key Concepts
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