exam Maths Puzzle Numerical Ability

give the y values for x=-2,-1,0,1,2,3 for the function y=1/x-1

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exam Other Question

The body mass index is a measure of the risk of heart disease. It is given by the following formula:
I=704.5W over H to the second power
Where W=weight in Lbs. and H = height in (the square root of x + 3 times the square root of y)(the square root of x - 3 times the square root of y)=