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a) First differentiate f(x) using standard polynomial derivative rules which gives, df/dx=-3x^2+4x+3. The derivative function gives the gradient of f for any value of x. Turning points occur when the grad...
Depreciation involves reducing the value of the nations currency against others. Under a managed float this could be achieved by a central bank selling its own currency in exchange for foreign currency. T...
We know that sinx/cosx = tanx. Therefore we can write sinx - cosx = 0 as sinx = cosx . By diving both sides by cosx, we get tanx = 1. By taking tan inverse of both sides, we can see that for 0≤x≤360, we g...
The Quantity Demanded of a product is the quantity of a good or service that consumers are willing and able to buy at different prices in a specified time period.The Demand curve<...
We can factorise the quadratic equation by noting that two numbers which multiply to get 24 and that add to get -10 are: -6 and -4. Therefore, we get (X-6)(X-4)=0 and we can solve for X to get X = 6 or X ...
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