Determine the domain and range of the relation. State whether the relation is a function or not a function. 
A. domain:{15, 35, 55, 75}
range: {3, 7, 11, 15}
not a function
B. domain: {3, 7, 11, 15}
range: {15, 35, 55, 75}
function
C. domain:{15, 35, 55, 75}
range: {3, 7, 11, 15}
function
D. domain: {3, 7, 11, 15}
range: {15, 35, 55, 75}
not a function
Answer: B
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A. 
B. 
C. 
D. 
Write the Hindu-Arabic numeral in expanded form.41,904
A. (4 × 100) + (1 × 101) + (9 × 102) + (0 × 103) + (4 × 104) B. (4 × 101) + (1 × 102) + (9 × 103) + (0 × 104) + (4 × 105) C. (4 × 104) + (1 × 103) + (9 × 102) + (0 × 101) + (4 × 100) D. (4 × 105) + (1 × 104) + (9 × 103) + (0 × 102) + (4 × 101)
Use a graphing calculator to find the inverse of the matrix. Give five decimal places, if necessary.A = 
A. 
B. 
C. 
D. 
Is the following correspondence a function?Domain: All students attending the University of OhioCorrespondence: Each student's teachersRange: A set of teachers
A. Yes B. No