1.) The length and breadth of a room are 8m and 8 respectively. Find the cost of covering the floor with tiles at the rate of ₹ 100 per metre square.

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Corrected Question :

To Find : The cost of covering the floor with tiles ?

❍ Finding Area of the floor of Room by the formula is given by :

Solution : Here l is the length of Rectangle in metres and b is the Breadth of Rectangle in metres and we have given with length and breadth of a room are 18m and 8m respectively.

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Therefore,

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❍ Finding Cost of covering the floor of Room with tiles by the formula is given by :

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Hence,

(1,4) is on graph of f(x)

f(1) = 4

so 1/4 f(x)

1/4 f(1)

1/4. ×4

1

so point for function 1/4. f(x) is (1,1)