题目
题目

MUF0091 Mathematics Unit 1 - Semester 1, 2025 12.3 Study Area 1 revision questions

单项选择题

Which of the following is NOT a one-to-one function?

选项
A.a. f(x) = 4x - 2
B.b. f(x) = x3 - 2
C.c. f(x) = 2/(x-1) -2
D.d. f(x) = x2
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标准答案
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思路分析
Consider the question about which option is NOT a one-to-one function. Option a: f(x) = 4x - 2. This is a linear function with a nonzero slope, so it passes the horizontal li......Login to view full explanation

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