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If f(x) = 5x - 4, what is f(-2)?
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If f(x) = 5x - 4, what is f(-2)?

User Javier Salmeron
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1 Answer

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f(-2) essentially means that you want to plug in -2 for all of the x's in the equation:

f(-2) = 5(-2) - 4
f(-2) = -10 - 4
f(-2) = -14
(When x=-2, the answer is -14)

Hope this helps :)

User Willsteel
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