princewarrior princewarrior

05-11-2019
Mathematics

contestada

How many roots does the function have?

f(x)= x^6 + 2x^5 - 2x^4 + 3x^3 + 4x^2 - 5x +7

A. 21

B. 2

C. 6

D. 7

Respuesta :

sqdancefan sqdancefan

30-01-2020

Answer:

C. 6

Step-by-step explanation:

The degree of the polynomial function is 6. The "fundamental theorem of algebra" tells you the number of roots is equal to the degree of the polynomial.

f(x) has 6 roots.

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