Answer:
F,A,I
Step-by-step explanation:

where

. The second term of the expansion occurs when

.
So the second term of the expansion of

is
7 is a prime number because it is only divisible by 1 and itself which is 7.
Answer:

Step-by-step explanation:
You want to solve ...

The answer is A,
In a function, an x value can only be paired with one y value.
However, a y value and have multiple different x values, for example when you graph a constant/horizontal line.