Is the relation is a function?
s={(-20, - ,-5), (-40,0), (-21, -7), (-20,- 10)}
o
o
function
not a function

Step-by-step explanation:

Not a Function because : (-20, - 7) and (-20,- 10)

each element must associate with a single

-20 to associate two elements: -10; -7

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!