exam
Maths Puzzle
Numerical Ability
Isaac is nine years older than Kylie. Isaac is four times as old as Brian was three years ago. Brian is eighteen years younger than Isaac. How old is Kylie?
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exam Other Question
from the info in the table evaluate (f of g)^-1 (2)
X 1 2 3 4 5
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F(X) 3 4 5 1 2
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G(X) 5 4 2 3 1
please help me with the rational expression. thanks
12x^2-4x-5/8x^2-6x-5