exam Maths Puzzle Numerical Ability

Let f(x) = 3x2 − 1 and g(x) = 2x + 5. Find f(g(−4)) and g(f(−4))

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exam Other Question

What is the cubed root of negative 8/27? multiply and simplify (2xs+3)(5x2-6x-3) second part is 5x squared