Math, asked by vivajain, 4 months ago

If the cost price of 20 books is equal to the selling priceof 18 books, find the gain per cent​

Answers

Answered by SWEETYASH
1

f(t) = 4t2 – 3t + 6

(i) f(0) = 4(0)2 – 3(0) + 6

= 0 – 0 + 6 = 6

(ii) f(4) = 4(4)2 – 3(4) + 6

= 64 – 12 + 6 = 58

(iii) f(-5) = 4(-5)2 – 3(-5) + 6

= 100 + 15 + 6 = 121

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