You can factor this by grouping! We will need to group the trinomial into the expression (k^2 + k)(-2f^2 + f). Now factor from THOSE. k(k + 1)f(-2f + 1).
6/8ths are left you have to cross multiply to get the answer
The believe the answer would be D.
Answer:
It is a function
Step-by-step explanation:
The x values are different; if they were to be the same, such as (1,7),(2,8),(1,9) it would be incorrect.