Question
Domain of 5√-x+7
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Answer to a math question Domain of 5√-x+7
Corbin
4.6102 Answers
1. Identify the expression inside the square root: -x + 7
2. Set up the inequality to ensure the expression inside the square root is non-negative:
-x + 7 \geq 0
3. Solve the inequality:
-x \geq -7
Multiply by -1, reversing the inequality:
x \leq 7
4. The domain is:
\boxed{(-\infty, 7]}
2. Set up the inequality to ensure the expression inside the square root is non-negative:
3. Solve the inequality:
Multiply by -1, reversing the inequality:
4. The domain is:
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