UPSKILL MATH PLUS

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1. If \(f(x) = 2x - 1\), \(g(x) =\) x+12, show that \(f \circ g = g \circ f = x\).
 
2. Consider the function \(f(x)\), \(g(x)\), \(h(x)\) as given below. Show that \((f \circ g) \circ h = f \circ (g \circ h)\) in the below case.
 
\(f(x) = x - 1\), \(g(x) = 3x + 1\) and \(h(x) = x^2\)
 
Important!
This is a self-assessment task. Solve this question and assess the solution steps after the completion of the test on your own.