book Maths Puzzle Numerical Ability

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Assume each situation can be expressed as a linear cost functionin.

Find the cost function

marginal cost

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book Other Question

Describe in words the graph below. Include in your description the shape, along with other possible relevant information such as length, width, and center points.


y = x^2 - x
a radio tower casts a shadow 120 meters long when the angle of elevation of the sun is 41 (degrees. how tall is the tower?