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37. (a) Solve the inequality 3(x - 4) s: 15
:;Jl - ,� � l'j'
3i � �t
;j!, � (b) Write down the inequality shown by the diagram.
-•1-------0
(2)
-3 -2 -1 0 1 2 3 4 5 X
--------------=------------ (2):,
38. ,.
z \ ,__
I \ I/ .... 4 ·1 0 Vi\
V \ / R
:/
/ �
The region labelled R satisfies three inequalities.
State the three inequalities
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I/
•
\ \
·-
6
..... !I ,< X - J.. ............................. .
/j ,c - 2;;i -1- 4
(3)