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Which graph represents the following piecewise defined function?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.