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Determine if a function is invertible

Problem

f is a finite function whose domain is the letters a to e. The following table lists the output for each input in f's domain.
xabcde
f(x)12312
Answer 2 questions about the function.
  1. Build the mapping diagram for f by dragging the endpoints of the segments in the graph below so that they pair each domain element with its correct range element.
  1. Is f is invertible?
صرف 1 جواب چنو