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Determine algebraically if f(x)=|x+2|is a functioneven, odd, or neither.

Sagot :

The absolute value function is given below as

[tex]f(x)=|x+2|[/tex]

Concept: We will have to explain what is meant by an odd function, even function, or neither

Even function: A function is said to be even if it has the equality below

[tex]f(x)=f(-x)[/tex]

is true for all x from the domain of definition.

An even function will provide an identical image for opposite values.

Odd function:A function is odd if it has the equality below

[tex]f(x)=-f(-x)[/tex]

is true for all x from the domain of definition.

An odd function will provide an opposite image for opposite values.

Neither: A function is neither odd nor even if neither of the above two qualities is true, that is to say:

[tex]\begin{gathered} f(x)\ne f(-x) \\ f(x)\ne-f(-x) \end{gathered}[/tex]

Given that

[tex]\begin{gathered} f(x)=|x+2| \\ f(-x)=|-x+2| \\ f(x)\ne f(-x) \end{gathered}[/tex]

Also,

[tex]\begin{gathered} f(x)=|x+2| \\ -f(-x)=-|-x+2| \\ f(x)\ne-f(-x) \end{gathered}[/tex]

Therefore,

We can conclude that f(x) = |x+2| is NEITHER an even nor a odd function

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