exam Maths Puzzle Numerical Ability

f(x)= 3-4x

Find f(a+h)

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exam Other Question

If the larger of two numbers is divided by 6 and is subtracted from three times the smaller one, the result is 44. If the smaller nunber is increased by 4, the result is half the larger numbers.Find the numbers. please help :)you have a model train car that is 10 in long and has a scale of 1 in to 5 ft. how long is the acual train?