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salantis [7]
4 years ago
13

The domain of the function f(x) = √2-x is the set of numbers x satisfying:

Mathematics
1 answer:
jekas [21]4 years ago
7 0

Try this solution:

D(f): √(2-x)≥0; ⇔ 2-x≥0; ⇔ x≤2 or x∈(-∞; 2].

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<h3>Which is the equation of the parabola?</h3>

The relevant information is that we have the vertex at (0, 5), and that the parabola opens downwards.

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