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1.4.2c Finding a new function given a composite function (Case B : Second function is given) Example 3

Example 3 (Substitution Method)
A function f is defined by f : x 7 x  .
Find the function g if g f : x 10 2 x + 3 , x 3 2  .

[Note : Second function is given, use substitution method] 



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