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OpenStudy (anonymous):
Evaluate the function for x = –2a, if a = 3. f(x) = –4x + 7 A. 31 B. –4 C. 99 D. –17
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OpenStudy (ipwnbunnies):
Well, first, you wanna plug in the given value for 'a' into the equation for x. That'll give you some 'x' value that you can evaluate f(x) at. Finally, Plug in the 'x' value into f(x). :
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