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Water is produced and sold by the government. Demand for water is represented by the linear function Q=50-2P. The total cost function for water production is also a linear function: TC(Q) = 100 + 10Q. ...

We all know the the square root of 2 is irrational. So, the answer should be no. But how do we prove it?Let's assume for contradiction that x²=2 and that x is rational. Then x can be expressed ...

Let's take a positive integer n.We can write it as a product of prime numbers:n=p₁p₂...p_r, where p₁, p₂, ..., p_r are prime factors of n.No...

First and most important point about writing commentary: make sure you read it! Read the passage at least twice, the first time to get a general gist of what the passa...

For your personal statement, you should show off your academic ability by using practical examples. For example, if you enjoyed studying Frankenstein for AS Level, you could talk about how this sparke...