Find the exact value of the expression.cos 105°
A. 
B. 
C. 
D. 
Answer: D
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Find the absolute maxima and minima of the function on the given domain.
on the square 
A. Absolute maximum: 108 at 
and 
absolute minimum: 36 at 
and 
B. Absolute maximum: 36 at 
and 
absolute minimum: 27 at 
and 
C. Absolute maximum: 108 at 
and 
absolute minimum: 0 at 
D. Absolute maximum: 36 at 
and 
absolute minimum: 0 at 
Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 243(cos 240° + i sin 240°)
A. 3(cos 48° + i sin 48°), 3(cos 138° + i sin 138°), 3(cos 228° + i sin 228°), 3(cos 318° + i sin 318°), 
B. 3(cos 48° + i sin 48°), 3(cos 120° + i sin 120°), 3(cos 192° + i sin 192°), 3(cos 264° + i sin 264°), 
C. 3(cos 240° + i sin 240°), 3(cos 330° + i sin 330°), 3(cos 420° + i sin 420°), 3(cos 510° + i sin 510°), 
D. 3(cos 240° + i sin 240°), 3(cos 312° + i sin 312°), 3(cos 384° + i sin 384°), 3(cos 456° + i sin 456°), 
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3x - 5 - 6; relative to f(x) = 3x
A. Moved right 5 unit(s);
moved up 6 unit(s)
B. Moved left 5 unit(s);
moved up 6 unit(s)
C. Moved right 5 unit(s);
moved down 6 unit(s)
D. Moved left 5 unit(s);
moved down 6 unit(s)
Find an equation that meets the given conditions.y varies directly as x and y = 4 when x = 
A. y = x + 
B. y = 
x
C. y = 
x
D. y = 12x