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What's the domain and range?

What's the domain and range?-example-1
User RedNax
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Answer:

Domain: (-3, 1]

Range: [-4, 0]

Explanation:

Domain is the set of x-values that can be inputted into function f(x).

Range is the set of y-values that is outputted by function f(x).

We see that our x-values span from -3 to 1. Since -3 is open dot, it is not included in the domain:

(-3, 1] or -3 < x ≤ 1

We see that our y-values span from 0 to -4. Since 0 is closed dot at x = 0, it is included in the range:

[-4, 0] or -4 ≤ x ≤ 0

User Dzior
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