यदि (B(x)=320-12x), तो (B(x-5)-B(x+1)) का मान क्या है?
If (B(x)=320-12x), what is the value of (B(x-5)-B(x+1))?
Explanation opens after your attempt
C. (72)
Concept
Over ((x+1)-(x-5)=6) steps the value decreases by \(12\times6=72\). So the difference is (72).
Why this answer is correct
The correct answer is C. (72). Over ((x+1)-(x-5)=6) steps the value decreases by \(12\times6=72\). So the difference is (72).
Exam Tip
((x+1)-(x-5)=6) चरणों में मान \(12\times6=72\) घटता है। इसलिए अंतर (72) है।
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