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If f(x) = _4x _ 1, find f(_2)
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If f(x) = _4x _ 1, find f(_2)

User Kent Fehribach
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1 Answer

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The answer is 7

f(x) = -4x - 1
f(-2) = ?

Since f(x) = f(-2), then x = -2. Now just substitute x in the function:
f(-2) = (-4) * (-2) - 1
f(-2) = 8 - 1
f(-2) = 7
User Raul Marquez
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