AnswersCR Math Analysis S1 M4050OXWriting Polynomial Functions from Complex Roots

Writing Polynomial Functions from Complex Roots Answers

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Given f(x) = x3 – 2x2 – x + 2, the roots of f(x) are .

A
1, –2, –1, 2
B
–1, 1, 2
C
–1, 1, –2
D
–1, 1, –2, 0
E
–1, 1, 2, 0
5
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At which roots does the graph cross the x-axis?

A
0
B
-2
C
-4
D
5
6

Determine the end behavior of f(x).

A
as ; as
B
as ; as
C
as ; as
D
as ; as

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