exam Maths Puzzle Numerical Ability

What is f(x + 1) if f(x)= 6x^3 - 3x^2 + 4x - 9

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exam Other Question

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Perform the indicated operation

a^2-2a + 4/a^2-4 X (a +2)^3/2a+4

( a -2) (a - 2) = (a +2)(a = 2)(a + 2)
A^2 � 4 Angle A and angle B are supplementary angles and angle A is 15 degrees less than four times angle B. Find the 2 angles.