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8-63.

For each expression below, what real-number value of will yield the lowest possible value of the expression? For example, in part (a), if , then the value of the expression is . If , then the value of the expression is . Are there values of that will result in smaller values of the expression? Homework Help ✎

Each of these expressions is squared. When you square a quantity, what is the lowest result you can get?

  1. The lowest value will occur when .