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15 Points!

If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.

f(x) = -15x^5 - 7x^4 + 3

A) Degree: -15; leading coefficient: 5

B) Degree: 9; leading coefficient: -15

C) Degree: 5; leading coefficient: -15

D) Not a polynomial function

Respuesta :

glendyrivera64
The answer is C. , hope this helps.
gmany
[tex]ax^n+bx^{n-1}+cx^{n-2}+...\\\\\text{degree: n; leading coefficient: a}[/tex]

We have:
[tex]f(x)=\boxed{-15}x^{\boxed{5}}-7x^4+3[/tex]
therefore your answer is:
C) Degree: 5; leading coefficient: -15



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