Indicate the intervals where the function y=f(x) is decreasing (Figure 8). Figure 8. According to the definition, a function is decreasing on an interval if f(x1)≥f(x2) for any two points x1≤x2. Thus, a decreasing interval may also contain points where the function has a constant value.

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Answer:Step-by-step explanation:Indicate the intervals where the function y=f(x) is decreasing (Figure 8). Figure 8. According to the definition, a function is decreasing on an interval if f(x1)≥f(x2) for any two points x1≤x2. Thus, a decreasing interval may also contain points where the function has a constant value.