1) Letf: < >>→→ be defined by f(x) = 4x+1. (i) Define an operation that makes fan isomorphism of groups. (ii) What is the identity element of ? # (iii) For a given real number x, what is x¹? (iv) Use this information to solve the following equation for x in 4*x=2. [Hint: Do this by -1 -1 computing 4 *x*x = 2*x ]

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