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Given that you have a fraction in the question, you are clearly asked to use the quotient rule. In order to do this, you should label the numerator u, and the denominator v, like this: u = 2x v=cos(x). No...

Assess is explain the impacts of both positive and negative impacts. The student should also recognise that Africa is a large and diverse area, with multiple climates that will be affected. Technologies c...

would use paper to show the student the final answer Your answer will be based around the graph of y=sin(x), which has a y maximum of 1 and minimum of -1, and one full cycle is completed by 2 pi....

Direct democracy means that every voter has the opportunity to make the final decision on an issue, for example in a referendum you are asked one question on a political decision.Wherass representative de...

The equation for work function is: W = hf

So, this is rearranged to: f = W/h where h is planck's constant.

Therefore, if we know the work function...