exam Maths Puzzle Numerical Ability

Find the product: (x - 1)(x-2)(x + 3)

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exam Other Question

Find (fg)(x). What is the domain of f/g

f(x)=2x-5, g(x)=2-x
A car traveling 88km/h is passed by another car going the same direction at a constant speed. After 30 seconds the two cars are 600 meters apart. Find the speed of the second car.