Exam Maths Puzzle Algebra

Given the function f(x)=3x^3-1, find f^(-1) f(x)=3x^3-1 find f^-1(x)

Given the function f(x)=2x^2+1 and g(x)=x-4, find (fog)(x). Restated that is f(x)=2x^2+1 and g(x)=x-4 find (fog) (x)

Solve the following x: log base 2(3x-5)=3log2 (3x-5)=3

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Exam Other Question
determine the value(s) of x when the areas of figure 1 which is a square (x-4) and figure 3 which is a right triangle (2x-8)(height) and (2x-9)(base) are equal. Can you also deter 30 PERCENT OF 12