Recall that when we multiply two numbers we have the following: Positive # positive # = positive # Negative # negative # = positive # Positive # negative # = negative # a) Without performing calculations, determine whether the number 3 (-4) (-2) (-1)².7 is positive or negative. Explain your reasoning. nowulka vileplerdegle f(x) = -2(x+3) (x-2) (x² + 1). bao rigers b) Let Since f(-4)=-2(-4+3)(-4-2)((-4)² + 1) = −2(-1)(-6) (17). Determine whether f(-4) is positive or negative without performing multiplication. c) Using technique from part b), determine whether f(-)is positive or negative

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