exam
Maths Puzzle
Numerical Ability
What is the domain of the function:
f(x) = 2x + 3 when the range is {5,7,9}?
f(x) = 1/4x + 3 when the range is {3, -17, 27}?
f(x) = -3x - 5 when the range is {-2, 0, 3}?
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