Maths_Week 1_Activity no. 9

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Oct 6, 2020, 6:38:46 AM10/6/20

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Let x∈R. Which of the following functions is(are) injective?

a) f(x)=√10−x

b) f(x)=7x+6/3x

c) f(x)=2x+9

d) f(x)=(5x+4)(2x−3)/2

Please provide a detailed solution.

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