Question:
Let f: R → R be the function defined by f (x) = 2x – 3, ∀ x ∈ R. write f –1.
Solution:
Given function,
f (x) = 2x – 3, ∀ x ∈ R
Let y = 2x – 3
x = (y + 3)/ 2
Thus,
f -1(x) = (x + 3)/ 2
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