exam
Maths Puzzle
Numerical Ability
x+1/x+4>or equal to 0
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exam Other Question
The cost C of producing x units of a product is given by C= 0.2x^2 +10x + 5, and the average cost per unit is given by
C = C = 0.2x^2 +10x + 5 ,
x
Simplify:
-4 square root 27 + 2 square root 12