The second option because one same input cannot have two different outputs
For example, x + 2 = y
If I put in 3, y has to equal 5, nothing else.
This makes the second option the only option that is a function
Hope this helps!
Answer:
huh?
Step-by-step explanation:
Minute? Hour?
ANSWER
The explicit rule is

EXPLANATION
The given sequence is :
54,63,72,81,...
The first term of this sequence is

The common difference is

The explicit rule is given by:


We expand to get:


None of them is correct .