Easy Math Class 11 Level 8

If f(x)=√(x+9) then what is the smallest integer x allowed?

यदि f(x)=√(x+9) है तो सबसे छोटा पूर्णांक x कौन सा allowed है?

Show answer and explanation
Correct Answer

B. -9

Explanation

Step 1: The expression inside square root cannot be negative. Step 2: x+9 ≥ 0 gives x ≥ -9. Step 3: In root domain keep inside value zero or positive.

Step 1: Square root के अंदर expression negative नहीं होना चाहिए। Step 2: x+9 ≥ 0 से x ≥ -9 मिलता है। Step 3: Root domain में अंदर की value zero या positive रखें।

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