. If a permutation 7 = 0102030m where the a,'s are disjoint then the inverse of 7 is 7- = o oj = (i, iz is ... ik-2 ik-1 ik). Find the inverse of each of the following. m-1o.. and o, (i, ix ik-1 ik-2 iz iz) provided (a) (1 32 4) E S4. (b) (1 4 3)(2 5 6 7) e S7. (c) (1 4 3 6)(2 9)(5 7 8) e S9.

1 If A- = 1 1 2 |, find A. -1 1

A1.9 Please refer to the attached image for my question. Please show ALL your work. Thank you!

1.) Simplify the expression if b = 9 [38 – (b - 3)2] + 3b chrome

Solve the following

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-14 Solve for X. -1-8 -7-6 X OOA 61 X+ -1-1 3 -7 X =

-13 2.0 Let A = and let B = Find AB + 2B. 2 4 1.3 O A. 2 9 -1 4 18 -2 OB. 5 -3 3 10 12 2 c. 9 -1 10 18 - 2 O D. 9 -1 10 12 2. O E. Does not exist

I. TRUE OR FALSE. Write 1 if the statement is always true. Otherwise write 0. 9. Let I = {A1, A2, A3} where A_i={1, i-1, i+1} for all i = 1, 2, 3. Then |UT| = 6.

)20 2 linear combination of write V. as where <= (2,7.10),V.%3 (12,3) V2=(し3,5) V3=( 1,5,9)