Subtract magazine from total:
25 -5 = 20
Divide by number of erasers:
20/4 = 5
Each eraser cost $5
a). No. Variation in 'y' has no effect on 'x'.
b). No. Variation in 'x' has exactly the opposite effect on 'y'.
c). Yes. Variation in 'x' causes 'y' to vary 6 times as much in the same direction.
d). No. Doubling 'x' does not double 'y'.
Answer: Yes, this relation is function.
Step-by-step explanation:
A relation is called function if each input has unique output.
It is given that, Juan has blood type A, Lilly has blood type AB, and Aaron has blood type O.
Juan is related to blood type A.
Lilly is related to blood type AB.
Aaron is related to blood type O.
Here, each input has unique output because here each person has unique blood group.
Therefore, this relation is a function.
Answer:
C)
Step-by-step explanation:
Constant means there is no variable attached to the number.
Coefficient means there is a variable attached to the number.