The functionf(x) is graphed below. In two or more complete sentences, describe how to find the interval(s) where the function is decreasing and how
Interval notation is used to express the interval(s). In your final answer, Include the interval in which the function is
decreasing.

use google you idiot omg you're so annoying

step-by-step explanation:

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

the second option

step-by-step explanation: