Complete the rule about restricting a domain

Exercise and reference answers

Missing parts

1. Answer

   one-one and onto

   Choices

   1. one-one and onto
   2. continuous
   3. increasing

2. Answer

   bijective

   Choices

   1. bijective
   2. periodic
   3. bounded

3. Answer

   principal value branch

   Choices

   1. principal value branch
   2. natural domain
   3. range of definition

Complete the statement

An inverse exists only when a function is {0}. Trigonometric functions are not, so the domain is restricted until the function becomes {1}, and the agreed choice is called the {2}.

Explanation