To check the quality of two brands of lightbulbs, their life in buming hours was estimated as under for 100 bulbs of each brand. Life (in hrs) No. 50-100 100-150 | 150-200 | 200-250 18 25 0-50 Brand 15 20 22 of A bulbs Brand В 2 8 60 25 5 () Which brand gives higher life? (ii) Which brand is more dependable?

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A:

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A:

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Q: Question 10- write the equation of the function

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A:

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Q: PEARSON

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