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I need help thank you-example-1
User Tiarra
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1 Answer

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Answer:


x \ge 5 and
x \\e -7

Explanation:

Given


f(x) = (√(x - 5))/(x + 7)

Required

The domain

Set the denominator to not equal to 0


x + 7 \\e 0


x \\e -7

Also, the expression in roots must be 0 or positive i.e


x - 5 \ge 0


x \ge 0+5


x \ge 5

Hence, the domain is defined for:


x \ge 5 and
x \\e -7

User Gianluca Micchi
by
8.9k points

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