Including a 5% sales tax, an inn charges $130.20 per night. Find the inn's nightly cost before tax is added.

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)