Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The no. of elements in {b} is the no. of elements in A. 
Since, it is one-one fucntion.
One-One function is that function whose domain and range have equal no. of elements as each element of A is connected to only one element of B. Elements of A has only one image in B
2 5 2
Explain it that how u come to this point?
please mark it BRAINLIEST i need it.
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts