Digital ACT Math Practice Question #2109
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Simply plug in $-1$: $3(1) - 2(1) - 5 - 7 = 1 - 12 = -11$.
By the Remainder Theorem, the remainder is $f(-1)$. $f(-1) = 3(-1)^4 - 2(-1)^2 + 5(-1) - 7 = 3(1) - 2(1) - 5 - 7 = 3 - 2 - 5 - 7 = -11$....
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