Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2
B. 0
C. -2 cot2 ?
D. 2 cot2 ?
Answer: C
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List the numbers in increasing order from least to greatest.-7, -61, -73, -26
A. -61, -73, -7, -26 B. -73, -61, -26, -7 C. -7, -26, -61, -73 D. -7, -61, -73, -26
Find the distance between the two vectors.u = (-8, -1), v = (1, -8)
A. 
B. 65
C. 130
D. 
Graph each function. Use the graph to determine the domain and range.f(x) = 4x2 - 5
A. Domain: [-5, ?) Range: (-?, ?) B. Domain: (-?, ?) Range: [-5, ?) C. Domain: (-?, 4] Range: (-?, ?) D. Domain: (-?, ?) Range: (-?, 5]
Find the location and value of all relative extrema for the function. 
A. Relative minimum of 3 at 3 ; Relative minimum of 0 at 0 ; Relative maximum of -3 at -3. B. Relative minimum of -1 at -3. C. Relative minimum of 3 at 3 ; Relative maximum of -3 at -3. D. None