exam Maths Puzzle Numerical Ability

Determine which two functions are inverses of each other.

f(x) = g(x) = h(x) = x2

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exam Other Question

Solve the equation:
5/x-3=4/2x-7
Use the factor theorem to decide whether the second polynomial is a factor of the first.

x^3 + 4x^2 + x - 6; x - 1