how do i find the interval of increase and decrease on a graph? i've tried everything online but nothing pops up
screenshots attached
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![how do i find the interval of increase and decrease on a graph ive tried everything online but nothing pops up screenshots attached class=](https://us-static.z-dn.net/files/d07/65c0765cf114d76b995ddadba2d4c67b.png)
The answer is the second option, increase (1,infinity) and decrease (negative infinity,1)
Look at the x axis, not y