Question

Tolong dijawab nomor 9,13 ,dan 14 ,kalu bisa beserta caranya.. mohon bantuannya.
mksih☺

Answer 1

9. jawaban C
U1 = 9(1)(1) - 1 = 8
U2= 9(2)(2)-2 = 34
U3= 9(3)(3)-3 = 78
U4= 9(4)(4)-4=140

13. jawaban A
2(2x-1) = 3(3x+5)
4x-2 = 9x+15
0 = 9x+15-4x+2
-17 = 5x
x = -17/5
x = -3(2/5)

14. Jawaban B
3(3x-1) < 2(5x+3)
9x-3 < 10x+6
9x-10x < 6+3
-x < 9
x > -9

Answer 2

No 9 = a. 8, 34, 87, 140
no 13 = c. {32/5}
no 14 = b. {x I x -9}