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8. Let A = {fm,b : R → R | m not equal 0 and fm,b(x)...

8. Let A = {fm,b : R → R | m not equal 0 and fm,b(x) = mx + b, m, b ∈ R} be the group of affine functions. Consider (set of 2 x 2 matrices) B = {[ m b 0 1 ] | m, b ∈ R, m not equal 0} as a subgroup of GL2(R) where R is the field of real numbers..

Prove that A and B are isomorphic groups.

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