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needhelpfastplease
What is the value of the expression –3x^3 when x = –3? A. –81 B. –27 C. 27 D. 81
i tried to @kym02 i think its C but im not quite sure
Alright i'll go it through with you. \[-3x^{3}\] Hence, \[x=-3\] so, \[(-3) \times (-3) \times (-3) = -27\] so basically it now becomes: \[-3(-27)\] which is equal to: \[81\] Therefore, the answer is D :) you had it! just needed to keep trying! :D