Question

Please answer i need help with this one i don't want to fail this test again :(

The domain of the following function: R:[(3,5), (8,6), (2,1), (8,6) is


A. No domain exists

B. [1,5,6]

C. [3,8,2,8]

D. [2,3,8]

Answer 1

The answer to your problem is, D. [2,3,8]

Explanation:

In our question, we would need to remember that domain is set of first coordinates of it.

Thus it would be: [2,3,8]

( Always find the domain first then answer )