across a horizontal distance of 20 ft a roller coaster has a steep drop. The height of the roller coaster at the bottom of the drop is -100 feet compared to its height at the top of the drop. what is the average amount the rollercoasters height drops over each horizontal foot?

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540