1-6 Inverse Functions and Logarithms

反函数与对数

← 1-5 指数函数

PPT 讲义

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1-6 Inverse Functions and Logarithms

PPT 讲义

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小节练习

1. The inverse of f(x) = 2x is:

f^-1(x) = x/2 f^-1(x) = 2/x f^-1(x) = x - 2 f^-1(x) = -2x

2. log_b(x) = y means:

b + y = x b^y = x y^b = x b * y = x

← 1-5 指数函数