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lakkis [162]
3 years ago
10

If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?

Mathematics
2 answers:
snow_lady [41]3 years ago
6 0

Answer:

(-\infty, 0)

Step-by-step explanation:

VashaNatasha [74]3 years ago
3 0

Answer:

(-\infty, 0)

Step-by-step explanation:

(w circle r) (x) is the composite function(w of r(x)), that is, w(r(x))[/tex]

We have that:

r(x) = 2 - x^{2}

w(x) = x - 2

Composite function:

w(r(x)) = w(2 - x^{2}} = 2 - x^{2} - 2 = -x^{2}

-x^{2} is a negative parabola with vertex at the original.

So the range(the values that y assumes), is:

(-\infty, 0)

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