Tomfoolery Tomfoolery

09-04-2015
Mathematics

Answered

Find the domain for the functions:

1. f(x)=[tex] \sqrt{x+1} [/tex]

2. f(x)= -(x-1)^3+6

3. f(x)= -[tex] \sqrt{x+3}[/tex]

Answer :

konrad509 konrad509

09-04-2015

1.
[tex]D:x+1\geq0\\ D:x\geq-1\\ D:x\in[-1,\infty)[/tex]

2.
[tex]D:x\in \mathbb{R}[/tex]

3.
[tex]D:x+3\geq0\\ D:x\geq-3\\ D:x\in[-3,\infty)[/tex]

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