यदि (P(t)=30+5t), तो (P(2)+P(8)) किस एक (P(k)) के दोगुने के बराबर है?
If (P(t)=30+5t), (P(2)+P(8)) is equal to twice which (P(k))?
Explanation opens after your attempt
C. (P(5))
Concept
In a linear model, (P(2)+P(8)=2P(5)) because (5) is the midpoint. Checking gives (110) on both sides.
Why this answer is correct
The correct answer is C. (P(5)). In a linear model, (P(2)+P(8)=2P(5)) because (5) is the midpoint. Checking gives (110) on both sides.
Exam Tip
रेखीय मॉडल में (P(2)+P(8)=2P(5)) क्योंकि (5) दोनों का मध्य है। जांचने पर दोनों (110) हैं।
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