exam
Maths Puzzle
Numerical Ability
Find all the roots of the polynomial x^3 -x^2 + 16x - 16.
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exam Other Question
The profit that the vendor makes per day by selling x pretzels is given by the function P(x)= -0.002x^2+1.4x-400. Find the number of pretzels that must be sold to maximize profit.
Simplify. (Multiply)
( -5 {{{ (sqrt x + sqrt y) }}} )({{{ sqrt (x-4) sqrt (y)}}} )