what is the domain of the function $y = \sqrt{x} + 4$?

$-\infty

Question

what is the domain of the function $y = \sqrt{x} + 4$?

$-\infty < x < \infty$
$-4 \le x < \infty$
$0 \le x < \infty$
$4 \le x < \infty$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Domain of Square Root Functions" ], "new_concepts": [], "current_concepts": [ "Domain of Square Root Functions" ] } ## Set up the domain inequality for the square root $$ x \ge 0 $$ ## Express the domain in inequality notation $$ 0 \le x < \infty $$

(A) $-\infty < x < \infty$

(B) $-4 \le x < \infty$

(C) $0 \le x < \infty$

(D) $4 \le x < \infty$

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Domain of Square Root Functions" ] }

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QUESTION IMAGE

Question

Explanation:

Set up the domain inequality for the square root

Express the domain in inequality notation

Answer: