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MC = marginal (extra) cost incurred by a firm when its production raises by one unit . MR = marginal (extra) revenue a firm receives from producing one extra unit of output . As a firm is trying to maximise ...

In a translation the graph of the function is moved in either the x or y direction. To perform a translation by amount a in the positive x direction (to the right on a graph) we replace every x in the equati...

cot is a short way to write 'cotangent'. This is the reciprocal of the trigonometric function 'tangent' or tan(x). Therefore, cot(x) can be simplified to 1/tan(x). Using trigonometric rules, an alternative w...

Distance refers to how far an object has travelled in total during its motion. Displacement refers to the object's overall change in position / how far an object is now, from it's initial position.

Firstly you need to find the gradient and to do this you identify two points on the graph and the gradient is the change in the value of the y values divided by the change in the value of the x values. (y2-y...