OCR May 2018 1H - MathsMadeEasy.co.uk€¦ · 11 12 y is directly proportional to the square of x....
20
OCR May 2018 1H - MathsMadeEasy.co.uk€¦ · 11 12 y is directly proportional to the square of x. Find the percentage increase in y when x is increased by 15%. The value of a cat,