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What is the domain in interval notation of f(x)=(x+3)^2

Sagot :

Given:

The function is

[tex]f(x)=(x+3)^2[/tex]

To find:

The domain of the given function in interval notation.

Solution:

We have,

[tex]f(x)=(x+3)^2[/tex]

Domain is the set of x-values or input values.

The given function is a quadratic function and domain of the quadratic function is all real number. The function is defined for all values of x. So, domain of the given function is the set of all real numbers.

Domain = Set of all real numbers

Domain = (-∞,∞)

Therefore, the domain of the given function is (-∞,∞).

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