How do I find x I need help nvr got taught how to do this

Question

asked Mar 21, 2023 105k views

1 Answer

Simple Sandman · Answer 1 · 2023-03-28T09:43:45+0000

to see if a function is decreasing graphically is:

so if we analyze the graph:

blue: increasing

red: decreasing

So the interval is:

$(1,3)\cup(3,\infty)$