book
Maths Puzzle
Numerical Ability
f(x)=3/5 +7
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book Other Question
IF f(x) = -3X + 6, FIND F^-1(X)
Express irrational solutions in simplest radical form.
N^2-6=0 Would this be (+-)Sqrt 5?
(n-5)^2=20 Would this be (+-)2*Sqrt 5?