exam
Maths Puzzle
Numerical Ability
Jennifer is 6 years older than Sue. In 4 years, she will be twice as old as Sue was 5 years ago. Find their ages now.
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exam Other Question
1.Given the total cost function: TC = 100 + 40Q - 15Q^2 + 5Q3, calculate the average fixed cost function (AFC) (Points: 5)
AFC = 100/Q
AFC = 40 -15Q + 5Q^2
(X^2 + 2xy +Y^2)-49