What is the domain of f(x)?
{x|1 {x|1 {yl-4 {y|-4

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The domain of a function is the set of all possible values of x

The domain of the line with negative slope is the interval [1,3)

The domain of the line with slope equal to zero (horizontal line ) is the interval [3,5)

so

The domain of the piece-wise function is the interval [1,5)

The value of x=1 is included in the domain set

The value of x=5 is not included in the domain set

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step-by-step explanation: