exam Maths Puzzle Numerical Ability

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{P is an element of R[x]: p(8)=0} ? R[x]

(Where R is all reals)

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exam Other Question

1. What is the property of a*(b*c)=(b*c)*a
2. What is the property of b(c+a)=b*c+b*a
3. What is the property of a*b+0=a*b
1)Graph f(x)=(x^2 - 4)/(x - 2) using a graphing calculator. Using a standard window with the trace feature, trace the graph to x=2. What happens?

Why is there a "break" in the