The ordered pair (-1,1/2) is a solution of a direct variation. Write the direct variation equation that goes thru the given point.

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this is a good question! i'll do some research and come back when i have the answer!

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