Use the graph of the function y = f(x) below to answer the questions. (a) Is f(-4) negative? Yes No (b) For which value(s) of x is f(x) = 0? If there is more than one value, separate them with commas. (c) For which value(s) of x is f(x) < 0? Write your answer using interval notation.
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To do this, we look at the graph at x = -4 and see if the y-value (f(x)) is negative. Show more…
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