Question

Is relation t a function? Is the inverse of relation t a function?
Relation t:

x; 0 , 2 , 4 , 6
y; -10 , -1 , 4 , 8



Relation t is not a function. The inverse of relation t is not a function.

Relation t is a function. The inverse of relation t is a function.

Relation t is a function. The inverse of relation t is not a function.

Relation t is not a function. The inverse of relation t is a function.

( I think its a, but not sure ? )

Answer 1

are there any repeated x values ?

Answer 2

yes , 4

Answer 3

4 is repeated? look again (only at the x row)

Answer 4

ohh , no i thought you meant all together . .

Answer 5

no, just the x values

Answer 6

well no , nothing is repeated .

Answer 7

so relation t is a function since each x value maps to one and only one y value

what about the other way around?

Answer 8

So , its b ? & what you mean other way around ?

Answer 9

are there any repeat y values?

Answer 10

no . .

Answer 11

so each y value maps to one and only one x value, which means that the inverse is also a function

Answer 12

so b is correct

Answer 13

thank you for helping me (:

Answer 14

yw