Pre-Test
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Which statement best describes how to determine whether f(x) = x4- x is an even function?
Determine whether (-x)-(x) is equivalent to x1 - x
Determine whether (-4)-(x3) is equivalent to x4 + x3.
Determine whether (-x)4 - (-x) is equivalent to -(x4 - x%).
O Determine whether (-4)-(-x3) is equivalent to -(x4 + x®).

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat