Question

i need help with function

Answer 1

Which of the following represents a function?
A.
x -13 -7 -3 1
y 24 22 30 24


B.
x -13 -7 -3 -7
y 24 22 24 23


C.
x -13 -7 -13 1
y 24 24 30 23


D.
x -7 -7 -3 -3
y 24 22 24 23

Answer 2

@SolomonZelman

Answer 3

@Preetha

Answer 4

in order for those relations to be a function
x cannot have more than one corresponding y value
so check if x repeats that mean that is not a function
however y can repeat it is okay it will still be a function

Answer 5

let's look at B we have -7 two times
that means choice be is not a function

Answer 6

Do the same thing with all of the remaining options tell you hit the right one^_^