Mathematics
kjj9
2016-04-27 03:33:57
5. What is the solution of |3x-3|_<18? A) -18_< x _<18 B) -15_< x _<21 C) -7_< x _<5 D) -5_< x _<7 Note: _< _> mean less than or equal to and greater than or equal to. (I didnt have a way to type that out.
ANSWERS
agrawalmayank28
2016-04-27 09:30:31

Answer : D WORK... [latex]|3x-3| leq 18 [/latex] PART 1: [latex]3x-3 leq 18 add 3 on both sides... 3x leq 21 divide by 3 on both sides... x leq 7[/latex] PART 2: [latex]3x-3 geq -18  add 3 on both sides... 3x geq -15 divide 3 on both sides... x geq -5[/latex] plug both answers together.. [latex]-5 leq x leq 7[/latex]

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