Check the injectivity and surjectivity of the following functions: i. f: N N given by f(x)=x...

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Check the injectivity and surjectivity of the following functions: i. f: N→ N given by f(x)=x² f: Z → Z given by f(x) = x² ii. iii. iv. f: R→ R given by f(x)=x² f:N → Ngiven by f(x) = x³ f:Z→ Z given by f(x)=x² V. Check the injectivity and surjectivity of the following functions: i. f: N→ N given by f(x)=x² f: Z → Z given by f(x) = x² ii. iii. iv. f: R→ R given by f(x)=x² f:N → Ngiven by f(x) = x³ f:Z→ Z given by f(x)=x² V.

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