exam Maths Puzzle Numerical Ability

What values for x must be excluded in the following fraction?
x+2/x^2-9x+14

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exam Other Question

You have $50,000 to invest, you invest some at 5% and the rest at 4%. You earn $2100 in annual interest, how much did you invest at each rate? 18. $26,000 was divided and placed in three differnt accounts. Twice as much was put into an account earning 7% per year as was put into an account earning 6% per year. The rest wa