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主要内容

证明反函数

问题

g, left parenthesis, x, right parenthesis, equals, start fraction, x, plus, 8, divided by, 5, end fractionh, left parenthesis, x, right parenthesis, equals, 5, left parenthesis, x, minus, 8, right parenthesis
简化表达g, left parenthesis, h, left parenthesis, x, right parenthesis, right parenthesish, left parenthesis, g, left parenthesis, x, right parenthesis, right parenthesis,以x为变量。
g, left parenthesis, h, left parenthesis, x, right parenthesis, right parenthesis, equals
h, left parenthesis, g, left parenthesis, x, right parenthesis, right parenthesis, equals
gh 是反函数吗?
选出正确答案:
选出正确答案:
不会做了?
不会做了?