Which statement best describes how to determine whether f(x) = 9 - 4x? is an odd function? Determine whether 9 - 4-x)2 is equivalent to 9-4x?
Determine whether 9 -4(-x) is equivalent to 9 + 4x^.
Determine whether 9 -4(-x)2 is equivalent to -19 - 4x?),
O Determine whether 9 -4-xis equivalent to –(9+ 4x?).
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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