Write the polynomial in factored form as a product of linear factors: k(u)= u^3 + 5u^2 + u - 3

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step-by-step explanation:

need more detail

step-by-step explanation:

lele

step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function