यदि (p(x)=220-12x) और (q(x)=76+4x), तो (p(x)=q(x)) के लिए (x) क्या है?
If (p(x)=220-12x) and (q(x)=76+4x), what is (x) for (p(x)=q(x))?
Explanation opens after your attempt
C. (x=9)
Concept
From (220-12x=76+4x), (144=16x) and (x=9). Equate the growth and decay models.
Why this answer is correct
The correct answer is C. (x=9). From (220-12x=76+4x), (144=16x) and (x=9). Equate the growth and decay models.
Exam Tip
(220-12x=76+4x) से (144=16x) और (x=9) है। वृद्धि और क्षय मॉडल को बराबर करें।
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