Determine if the following is a function or not.
-f(x)=2 for $x \in \{ 2,4 \}$ and f(x)=4 for $x \in \{ 2,4,6,8 , \ldots \}$
A) Yes
B) No

Name: Determine if the following is a function or not. -f(x)=2 for $x \in \{ 2,4 \}$ and f(x)=4 for $x \in \{ 2,4,6,8 , \ldots \}$ A) Yes B) No
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Question

Determine if the following is a function or not.
-f(x)=2  for $x \in \{ 2,4 \}$ and  f(x)=4  for $x \in \{ 2,4,6,8 , \ldots \}$
A) Yes
B) No

Quizplus · Accepted Answer

For a relation to be a function, each input must have exactly one output. Here, $x=2$ is associated with two different outputs (2 and 4), violating the definition of a function.

Determine If the Following Is a Function or Not x∈{2,4}x \in \{ 2,4 \}x∈{2,4}

Determine If the Following Is a Function or Not $x \in \{ 2,4 \}$