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Question

In the given problem, solve and graph. Express the answer in both inequality and interval notation. 2x+11x2

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Solution



2x+11x2

2x+11x20

x5(x+1)(x2)0

x<-1

x=- 1

- 1<x<2

x=2

2<x<5

x=5

x>5

x-5

-

-

-

-

-

0

+

x-2

-

-

-

0

+

+

+

x+1

-

0

+

+

+

+

+

x5(x+1)(x2)

-

undefined

+

undefined

-

0

+

[Solution:1<x<2orx5IntervalNotation:(1,2)[5,)]

1136483_427837_ans_3c53870ec0b745a29abba4bddfd9b48f.jpg

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