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mestny [16]
3 years ago
9

#3 find domain and range using interval notation

Mathematics
1 answer:
kkurt [141]3 years ago
6 0

Hey there! :)

Answer:

D : [-4, ∞)

R: [-2, ∞)

Step-by-step explanation:

Notice that one end of the graphed function has a closed circle, and one end is a line. We must use specific brackets accordingly:

[ is used for closed points.

( is used for arrows or open circles.

Therefore:

This graph goes from x = -4 towards x ⇒∞. Therefore:

D : [-4, ∞)

The range of this function goes from x = -2 towards y⇒ ∞. Therefore:

R: [-2, ∞)

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Step-by-step explanation:

We can use the equation (x-h)^2 + (y-k)^2 = r^2

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