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三角学 示例
解题步骤 1
解题步骤 1.1
运用分配律。
解题步骤 1.2
化简表达式。
解题步骤 1.2.1
将 乘以 。
解题步骤 1.2.2
将 移到 的左侧。
解题步骤 2
The word linear is used for a straight line. A linear function is a function of a straight line, which means that the degree of a linear function must be or . In this case, The degree of is , which makes the function a nonlinear function.
is not a linear function