Answer:
12
Step-by-step explanation:
Answer:
x<3
Step-by-step explanation:
add 5 to 16. then divide 7 from 21. the sign flips with inequalities involving multiplication and/or division
The answer is X.
In order for it to be a function, there should be only one y-value for every x-value. Graph x is the only one that obeys this rule, therefore it is the answer