1. (a) Which bit was erroneously received? (b) What was the correct number (in decimal system) sent? You receive the following binary message: 1011001. The message includes three check bits. Let the functions f: (real numbers) R,-R" and g: R, g(x)-x2+ 5. 2. R" be defined by f(x)-2-3 and Find: (c) g(f(2)) (e) g(a-1), (f) fg(a-1)). (h) f(g(xt1)), and 3. symmetric, and/or transitive, where (a, b) Determine whether the relation R on the set of all people is reflexive, symmetric, anti R if and only if: (a) a is taller than b (b) a and b were born on the same day. (c) a has the same first name as b, (d) a and b have a common grandparent