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4-50.

stoplight Shortcut Shuneel claims he has a shortcut for determining the vertex of a parabola. While using his shortcut on , he ended up with . Is Shuneel’s new equation correct? Why or why not? Homework Help ✎

Graph each function. Are the graphs the same?
If not, what is the difference?

Use algebra to rewrite  and compare it to Shuneel's original problem.

These are different functions, so unfortunately, Shortcut Shuneel's shortcut does not work.