exam Maths Puzzle Numerical Ability

Solve e^x = 2^x-1

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exam Other Question

A manufacturer has determined that the revenue received from selling x items of a product is given by R(x) = -0.3x2 + 200x and the cost to produce x items of the product is given b A rectangle is 5 times as long as it is wide. If the area is 125 square feet, find its perimeter.