Answer:
The sign would remain the same.
It would have the same value.
ED2021
Answer:
B
Step-by-step explanation:
A function has at most one y value for every x value. This means that for every vertical line, there can be at most one intersection.
This example clearly doesn't satisfy this requirement.
Answer:
C. -4x - 1
Step-by-step explanation:

Distribute the term outside of the parenthesis, Multiply each term in the parenthesis by the term outside (do not forget to include the negative sign when multiplying);

Simplify,

#1 = 1/3
#2 = 5/6
#3 = 8/9
#4 = 6/7
#5 = 15/20