exam
Maths Puzzle
Numerical Ability
Geomatry. A square has sides of length 3x -2 cm. Express the area of the square as a plynomial.
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exam Other Question
Is (sqrtx)2=x an identity (true for all nonnegative values of x)?
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The cost of producing a number of items x is given by C=mx+b , in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
a) If the fixed cos