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If a polynomial function f(x) has roots -9 and 7 - i, what must be a factor of f(x)?
Solution:
Polynomial functions are expressions that may contain variables of varying degrees, non-zero coefficients, positive exponents, and constants. Constants are whole numbers that occur at the end of a polynomial expression.
It is given that
The roots of a polynomial function f (x) are - 9 and 7 - i
We can write it as
x = - 9 and x = 7 - i
So we get
x + 9 = 0 and x - 7 + i = 0
Therefore, the factors of f(x) is (x + 9) and (x - 7 + i).
If a polynomial function f(x) has roots -9 and 7 - i, what must be a factor of f(x)?
Summary:
If a polynomial function f(x) has roots -9 and 7 - i, the factor of f(x) is (x + 9) and (x - 7 + i).
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