Solve the problem. If $f(x) = \frac{x - 4A}{12x + 4}$ and $f(12) = -4$, what is the value of A?
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Step 1: Given the function f(x) = (x - 4A) / (12x + 4) and the condition f(12) = -4, we can substitute x with 12 in the function to find the value of A. Show more…
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