Mathematics

23 September, 16:02

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)

+2

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