9514 1404 393
Answer:
-15, 3
Step-by-step explanation:
3|x+6| -7 = 20
3|x +6| = 27 . . . . add 7
|x +6| = 9 . . . . . . divide by 3
This resolves to two equations:
x + 6 = 9
x = 3 . . . . . subtract 6
and
x + 6 = -9
x = -15 . . . . subtract 6
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1 answer:
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Answer:
1) The third option.
2) The last option.
Step-by-step explanation:
1) f(x) is greater on the interval (0,3), which is opened, because if you substitute you obtain the following result:
2) If , you obtain that:
Therefore: