Provide an appropriate response.Prove that the function f is one-to-one.f(x) =  + 5

What will be an ideal response?


Assume that f(a) = f(b) for any numbers a and b in the domain of f. 
Since f(a) =  + 5 and f(b) =  + 5, we have
  + 5 =  + 5
   =  
   a = b
Thus if f(a) = f(b) then a = b and f is one-to-one.

Mathematics

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