10. Determine whether each relationship is a function or not a function. Then select the explanation for your answer. Check all that apply. *
.
Function
Not a Function
The graph passes the vertical line test.
The graph does not pass the vertical line test.

step-by-step explanation:

i am not sure sorry : c

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?