Graph the function fsxd sx 3 1 x 2 1 x 1 1 and explain why it is one-to-one. Then use a
Chapter 1, Problem 59(choose chapter or problem)
Graph the function fsxd sx 3 1 x 2 1 x 1 1 and explain why it is one-to-one. Then use a computer algebra system to find an explicit expression for f 21 sxd. (Your CAS will produce three possible expressions. Explain why two of them are irrelevant in this context.)
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