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If (Y(t)=96-12t), what is the decrease from (Y(3)) to (Y(4))?यदि (Y(t)=96-12t), तो (Y(3)) से (Y(4)) तक कमी कितनी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 1212
Y(3)=96-12(3)=60 and Y(4)=96-12(4)=48. Therefore, the decrease from 60 to 48 is 60-48=12. The term -12t means that Y decreases by 12 whenever t increases by 1; 24 would be the decrease over two steps. Exam tip: for consecutive values in a linear expression, use the magnitude of the coefficient of t.Y(3)=96-12(3)=60 और Y(4)=96-12(4)=48। अतः 60 से 48 तक की कमी 60-48=12 है। यहाँ -12t का अर्थ है कि t में प्रत्येक 1 की वृद्धि पर Y का मान 12 घटता है; 24 दो चरणों की कमी होती। परीक्षा टिप: लगातार मानों के बीच कमी ज्ञात करने के लिए गुणांक का परिमाण देखें।
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