Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises - Page 214: 10

$(3, +\infty)$

Work Step by Step

The graph is falling from $x=3$ to the right. Thus, the function is decreasing in the interval $(3, +\infty)$. Therefore, the largest open interval where the function decreases is $(3, +\infty)$.

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