exam Maths Puzzle Numerical Ability

if f(x)=9-x^2 and g(x)=2x-2, find (f-g)(-2)

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exam Other Question

Find three consecutive odd integers of which one half of the sum of the first and second equals the square of the difference of the third and the first. EFGH is a rectangle. If measure angle HEG = 2x=5 and measure angle EFH = 7x-5 find x and FHG