Seudónimo Seudónimo
  • 26-04-2015
  • Mathematics
contestada

What is the domain of [tex] \sqrt{8-8x} [/tex]
please use interval notation. Thanks.

Respuesta :

bookgirl9632
bookgirl9632 bookgirl9632
  • 26-04-2015
To find the domain of a function with a root, you set it ≥ 0
So, the equation will look like this:
8 - 8x ≥ 0
-8x ≥ 8
-8x ÷ 8 ≤ 8 ÷ -8
x ≤ 1
Therefore, the domain is
(-∞, 1]
Answer Link
konrad509
konrad509 konrad509
  • 26-04-2015
[tex]8-8x\geq0\\ 8x\leq8\\ x\leq1\\ x\in(-\infty,1][/tex]
Answer Link

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