Question

7. State which of the following are one - one and onto functions 1) f: RR defined by f(x) = 2x + 1. ii) f: R→{x/x 20} defined by f(x)= x². x+2 iii) f: R-{2} →R-{1}defined by f(x)= x+2/x-2​

Answer 1

Answer:

72(-6)

Step-by-step explanation:

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