Find the exact value of the expression.tan-1 (1)
A. 
B. 
C. 
D. 
Answer: B
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The following double bar graph represents the number of students enrolled in the Welding and Machine Technology programs at a community college. Use the chart to answer the following question(s).
Which year saw the highest enrollment in the Machine Technology program, and which year saw the lowest enrollment?
A. 2005-2006 and 2004-2005 B. 2002-2003 and 2005-2006 C. 2002-2003 and 2003-2004 D. 2002-2003 and 2005-2006
Solve the equation for x. Write your answer as an improper fraction if necessary. -7x + 3 = 9 - 3x
A. x = 
B. x = - 
C. x = - 
D. x = - 
Solve and give interval notation for the solution set. Then graph the solution set.4 < 1 - 4x ? 10
A. 
, 
B. 
, 
C.
, 
D.
, 
Use the graph to determine the function's domain and range.
A. domain: [4, ?) range: [-5, ?) B. domain: (-?, ?) range: [-5, ?) C. domain: (-?, 4) or (4, ?) range: (-?, -5) or (-5, ?) D. domain: (-?, ?) range: (-?, ?)