exam Maths Puzzle Numerical Ability

Find the vertex, axis of symmetry and determine whether there is a maximum or minimum value

{{{-2x^2 + 2x +1}}}

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exam Other Question

Three integers have these characteristics: their sum is 12; the sum of the smallest and largest integers is 7; the middle integer is one third of the largest integer. What are the integers? Find all numbers for which each rational expression is undefined. If the rational expression is defined for all real numbers, so state.

{x^+ 3/x^-3x +2}
{5x/6x - 24}

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