Question: i) Solve the equation 3- 2r +4 +9 = 12 algebraically, Is your answer extraneous ( not within the domain the function)?( ks)

i) Solve the equation 3- 2r +4 +9 = 12
i) Solve the equation 3- 2r +4 +9 = 12 algebraically, Is your answer extraneous ( not within the domain the function)?( ks)

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