Domain of a function made of square roots

1. A.
   $[0, \infty)$
2. B.
   $\mathbb{R}$
3. C.
   $[1, 3]$
4. D.
   $[2, 2]$

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1. A.
   $(1, 2)$
2. B.
   $\left(-1, \dfrac{3}{2}\right)$
3. C.
   $\left[1, \dfrac{3}{2}\right]$
4. D.
   $(-1, 0)$

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1. A.
   $(-\infty, -1) \cup [0, \infty)$
2. B.
   $(-\infty, -1] \cup [0, \infty)$
3. C.
   $(-\infty, -1) \cap [0, \infty)$
4. D.
   all R

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1. A.
   $[1, \infty)$
2. B.
   $[1, 6]$
3. C.
   $(-\infty, 1)$
4. D.
   $(6, \infty)$

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1. A.
   $[0, \infty)$
2. B.
   $(0, \infty)$
3. C.
   $(-\infty, 0)$
4. D.
   $(-\infty, 0]$

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1. A.
   $(0, \infty)$
2. B.
   $(-\infty, 0)$
3. C.
   $(-\infty, \infty) - \{0\}$
4. D.
   $(-\infty, \infty)$

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