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Functions and Images : Injective and Surjective Functions

Let f: R --> R be the function defined by f(x) = x2 + 3x - 4 for all x E R.

a) Determine wheter or not f is injective.

b) Determine wheter or not f is surjective.

c) Find f^-1({0,75/4}).

d) Find f([0,1]).

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Functions and Images and Injective and Surjective Functions are investigated. The solution is detailed and well presented.

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