exam
Maths Puzzle
Numerical Ability
10[8(15-7)-(4.3)]
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exam Other Question
The circumference of a circle is 5/2 pi. What is the diameter of the circle?
The price p and the quantity x sold of a certain product obey the demand equation
x = 200 - 10p.
Express the revenue function R as a function of the number of units sold, x.