Solve the Polynomial Inequality $2 x ^ { 3 } + 9 x ^ { 2 } - 38 x - 21 > 0$

question 208

Multiple Choice

Solve the polynomial inequality.
- $2 x ^ { 3 } + 9 x ^ { 2 } - 38 x - 21 > 0$

• A) \([ - 7 , - 1 / 2 ] \cup [ 3 , \infty )\)
• B) \(( - 7 , - 1 / 2 ) \cup ( 3 , \infty )\)
• C) \(( \infty , - 7 ] \cup [ - 1 / 2,3 ]\)
• D) \(( \infty , - 7 ) \cup ( - 1 / 2,3 )\)

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Definitions:

B2B

Business-to-Business, describing transactions or relationships between two companies, as opposed to between a company and individual consumers.

B2C

Business to Consumer, a sales model in which businesses sell products or services directly to consumers.

C2C

Consumer to Consumer, a business model that facilitates transactions between individuals, typically through an online platform.

G2C

Government to Citizen, a model of e-government where government services and information are directly available to citizens through electronic means.