1. the value -2 is a lower bound for the zeros of the function shown below. f(x)=4x^3-12x^2-x+15 true false 2. express the polynomial as a product of linear factors. f(x)=2x^3+4x^2-2x-4 a. (x-2)(x+1)(x-1) b. (x-2)(x-2)(x-1) c. (x-4)(x+1)(x-1) d. 2(x+2)(x+1)(x-1)

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