Answer:
Relation 3: yes, it can be a function
Relation 4: no, it cannot be a function
Step-by-step explanation:
in a function, for every input x there can only be one correlating output y.
Answer: The number is 480.
Step-by-step explanation:
The question states that in a 3 digit number, the hundreds digit is 4 more than the units digit and the tens digit is twice the hundreds digit.
Can you ask the full question please?
