State Whether the Function Is a Polynomial Function or Not $f ( x ) = 5 x + 7 x ^ { 3 }$

question 245

Multiple Choice

State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.
- $f ( x ) = 5 x + 7 x ^ { 3 }$

• A) Yes; degree 7
• B) Yes; degree 1
• C) Yes; degree 3
• D) Yes; degree 5

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