1/5 is the value but all you do is take the first number which would be your numerator and add both the first and last number together to get your denominator
(Sqr.3)/2 not a or b or c
A relation is a function if each element of the domain is paired with exactly one element of the range. ... If given a table, or a set of ordered pairs, you can look to see if any value of the domain has more than one corresponding value in the range.
tbh google
