Question: Use the remainder theorem to determine whether x + 2 is a factor of f ( x ) = 3 x 3 - 2 x

Use the remainder theorem to determine whetherx+ 2 is a factor of

f(x) = 3x³- 2x²- 6x- 2

(A)Yes,x+ 2 is a factor off(x) becausef(2) = 2 (B)No,x+ 2 is not a factor off(x) becausef(2) = 2 (C)Yes,x+ 2 is a factor off(x) becausef(-2) = -22 (D)No,x+ 2 is not a factor off(x) becausef(-2) = -22 I believe the answer is D, please confirm and another question is

Use the remainder theorem to determine whetherx- 2 is a factor of

f(x) =x³+ 3x²-x- 18

(A)Yes,x- 2 is a factor off(x) becausef(2) = 0 ( B)No,x- 2 is not a factor off(x) becausef(2) = 0 (C)Yes,x- 2 is a factor off(x) becausef(-2) = -12 (D)No,x- 2 is not a factor off(x) becausef(-2) = -12 my answer is A please confirm

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