Question
Use the graph on the right of the function $f$.List the interval(s) on which $f$ is decreasing.
Step 1
A function $f$ is decreasing on an interval if for any two numbers $x_1$ and $x_2$ in the interval, if $x_1 < x_2$ then $f(x_1) > f(x_2)$. In other words, as we move from left to right on the graph, the y-values are getting smaller. Show more…
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