Answer:
A. x²+x-11
Step-by-step explanation:
Take one of the x values and try them out on all formulas to see if the expected output occurs.
Already with x=2 you get
-5, 28, -3, 27 so you know that only the first formula works.
Answer:
100-11=89
Step-by-step explanation:
8/20 is greater than 2/10. If you were to make the denominators the same, by mulipling 2x2 and 10x2, you would get 4/20, which is less than 8/20.
