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25-04-2022
Mathematics

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1. What is the domain and range for the following function and its inverse? f(x) = x² +3

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Аноним Аноним

25-04-2022

Answer:

Step-by-step explanation:

x^2 + 3

The domain is All Real x and the range is f(x) ≥ 3.

Find its inverse:

y = x^2 + 3

x^2 = y - 3

x = √(y - 3)

So f-1(x) = √(x - 3)

The domain is x ≥ 3 and range is f(x) ≥ 0.

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