exam Maths Puzzle Numerical Ability

25: Solve for the variable in each equation below.
[x / (x + 3)] + [1 / (x - 1)] = [4 / (x2 + 2x - 3)]

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exam Other Question

A manufacturing company is interested in introducing a new power mower. its market research department gave the management the demand and price forecast as follows.
Price
given f(x)=8x-2 and g(x)=2x-3
find f-g