In two or more complete sentences, explain how to use ordered pairs of points in fx) = 3x - 5 and g(x) =x+5/3
determine if (x) and g(x) are inverses of each other.

5050

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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

i dont understand

step-by-step explanation:

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α. мσℓє¢υℓє σf ωαтєя

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∂. иα∂ρн

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нσρє ι ¢συℓ∂ нєℓρ υ