Determine whether the given relationship represents a function.{(20, 7), (21, 9), (40, 0), (19, 7), (-20, 4)}
A. Not a Function
B. Function
Answer: B
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Tell whether the statement is true or false.{54, 55, 54, 55} = {54, 55}
A. True B. False
Provide an appropriate response.Ted has scores of 67, 85, 92, and 78 on his tests. What is the lowest score he can make on the next test that will bring his average up to an 82?
Fill in the blank(s) with the appropriate word(s).
The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.x = 1y = 5
A. 
B. 
C. 
D. 
Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model 
where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many students will have heard the rumor after 5 days?
A. 689 students B. 661 students C. 1063 students D. 1006 students