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Give the domain and range of the relation.
y=(x+4)^2-4

User Tahlil
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1 Answer

7 votes

Answer:

The domain is the interval (-∞,∞)

The range is the interval [-4,∞)

Explanation:

we have


y=(x+4)^2-4

This is the equation of a vertical parabola in vertex form

The vertex is the point (-4,-4)

The parabola open upward (because the leading coefficient is positive)

The vertex represent a minimum

The domain is the interval (-∞,∞)

so

The domain is all real numbers

The range is the interval [-4,∞)


y\geq -4

so

The range is all real numbers greater than or equal to -4

User Donald Powell
by
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