Use the polynomial remainder theorem to find f(-4) for f(x)=2x4+7x3−8x2−21x+7
f(-4) = _

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y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

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