Kristin is designing a model that will represent the path of a roller coaster. She has determined the beginning and the end parts of the track, but needs to write a formula for the middle section that will join the other segments. She decides that she wants one peak in this middle section, not including its boundaries. What values of
Sara's roller coaster needs to be continuous. That means that the
Next, determine the
We are ready to find the equation of the middle piece of the piecewise function. This piece has two unknowns,
Write and solve a system for
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