kindly answer this is please, i really need the answers right now!

1. Maria, a Grade 8 student loves to share snacks to her closest friends as shown through these pairs: {(Ana, sandwich), (Juan, sandwich), (Peter, sandwich)}, which of the following correspondence best describes the given set?

A. Many-to-Many
B. One-to-Many
C. Many-to-One
D. One-to-One

2. It is a relation where in every element of the first coordinates is paired with exactly one element of the second coordinates.

A. Function
B. Relation
C. Domain
D. Range

3. Teacher Dom wants to know the impact of parental involvement in the academic performance of the students. In the situation, what is the independent variable?

A. parental involvement
B. academic performance
C. students
D. impact

4. What is the dependent variable in this situation “How long will you sleep affects your test score?”

A. sleep
B. affects
C. long
D. test score

5. Given the domain and range of a function, determine the set of ordered pairs. Domain: {2,3,0,4,5} Range: {1,-1,3,2,0}

A. A= {(2,1),(3,-1),(0,3),(4,2),(5,0)}
B. A= {(1,2),(-1,3),(3,0),(2,4),(0,5)}
C. A= {(-2,1),(-3,-1),(0,3),(-4,2),(-5,0)}
D. A= {(1,-2),(-1,-3),(3,0),(2,-4),(0,-5)}

6. Which equation DOES NOT define y as a function of x?

A. y = 2x - 1
B. y = x+4/0
C. 2x = y²
D. y = x+5/x-3

7. Which set of ordered pairs illustrates function?

A. M={(0,1),(1,3),(2,3),(1,5),(2,6)}
B. M={(0,-1),(1,4),(2,3),(0,5),(2,0)}
C. M={(0,6),(6,1),(5,3),(4,5),(2,9)}
D. M={(0,5),(5,2),(2,5),(0,6),(6,2)}​