maximotostadoosyhd7 maximotostadoosyhd7
  • 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 :

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 julissav28346
  • 20-09-2018

A

(-infinity, and 0)

just took test      

Answer Link

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