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find the domain?

find the domain of f
f(x)= squarerootof(x+26) - 2sqaurerootof(x-6)

2006-09-17 19:49:07 · 1 answers · asked by CuriousOne 1 in Education & Reference ➔ Higher Education (University +)

1 answers

sqrt(y) is defined for y>=0.
So x+26>=0 and x-6>=0
Combining the two we get x>=6.
So domain of f is [6,infinity)

2006-09-17 20:19:41 · answer #1 · answered by astrokid 4 · 0⤊ 0⤋

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