किसी पौधे की ऊंचाई (t=2) पर (27) सेमी और (t=8) पर (69) सेमी है। यदि वृद्धि रेखीय है तो मॉडल क्या होगा?
A plant's height is (27) cm at (t=2) and (69) cm at (t=8). If the growth is linear then what is the model?
Explanation opens after your attempt
A. (H(t)=13+7t)
Concept
The rate is \(\frac{69-27}{8-2}=7\). From (27=a+7(2)), (a=13).
Why this answer is correct
The correct answer is A. (H(t)=13+7t). The rate is \(\frac{69-27}{8-2}=7\). From (27=a+7(2)), (a=13).
Exam Tip
दर \(\frac{69-27}{8-2}=7\) है। (27=a+7(2)) से (a=13) मिलता है।
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