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

(-∞,0]
(-∞,2]
[0,∞)
[2,∞)

Question

12-06-2018
Mathematics

contestada

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

(-∞,0]
(-∞,2]
[0,∞)
[2,∞)

Respuesta :

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Аноним Аноним · Answer 1 · 2018-06-12T23:33:14+02:00

Аноним Аноним

12-06-2018

Let's first write the expression of the function we need.
[tex](w \circ r)(x) = w(r(x)) = 2 - x^{2} - 2 = x^{2}[/tex]
From here, we can easily conclude that the range is
[tex][0, +\infty[[/tex]

Answer Link

julissav28346 julissav28346 · Answer 2 · 2018-09-20T18:52:02+02:00

julissav28346 julissav28346

20-09-2018

A

(-infinity, and 0)

just took test

Answer Link

If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (Wºr) (x) (-∞,0] (-∞,2] [0,∞) [2,∞)

Respuesta :

Otras preguntas

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

(-∞,0]
(-∞,2]
[0,∞)
[2,∞)