Dominic is looking to buy a cell phone, and he's comparing cellular plans. Company A charges a $175 start-up fee and $75 per month for service. Company B does not have a start-up fee, but it charges $97 per month. He wants to know how many months it will take before the average monthly cost of Company A is less than Company B. Which inequality will help Dominic figure this out?

yes

step-by-step explanation:

yes

the radius is 2 times the diameter.

step-by-step explanation:

is there a question here?

step-by-step explanation:

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)