Find the domain and the range of the relation.{(7, 5), (7, -8), (7, -3)}

A. domain: {7} ; range: {-8, -3, 5}
B. domain: {5, 7} ; range: {-8, -3}
C. domain: {-8, -3, 5} ; range: {7}
D. domain: {7} ; range: {-8, -3, 5, 7}


Answer: A

Mathematics

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Solve the special system by substitution. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.

A. {(x, y)|y = -x + 8} B. (8, 0) C. ? D. {(x, y)|y = x - 8}

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Determine if the function f defined by the set of ordered pairs has an inverse. If so, find the inverse.{(1, -3), (2, -3), (3, 4), (4, -4)}

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Evaluate the expression.

A. - 
B.
C. 0
D. ± 

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Add or subtract as indicated.-  +  

A.
B.
C. 0
D.

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