Question: Solve the inequality f(x) 2 0, where f(x) = (x + 4)(x - 1) , by using the graph of the function. The solution set

Solve the inequality f(x) 2 0, where f(x) = (x + 4)(x - 1) , by using the graph of the function. The solution set for f(x) 2 0 is. (Type your answer in interval notation.) 30- 20- X -6 - 2 10- 2 4 6 8 20- - 30- -40- - 50
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