Solve.On a clock, what is the angle between the minute hand and the hour hand at exactly 12:15?
A. 90
°
B. 90°
C. 45°
D. 45
°
Answer: B
Mathematics
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Evaluate the function. 
If y = f(x), find f(4).
A. -2 B. 3 C. -3 D. 2
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Find the function value.Find sin 
, given that sin ? = 
and 0° < ? < 90°.
A. 
B. 
C. 
D. 
Mathematics
Plot the point given in polar coordinates.(4, 30°)
A. 
B. 
C. 
D. 
Mathematics
Find f-1(x) for the following one-to-one function f.f = {(-7, 3), (-1, 1), (6, 2), (8, 4)}
A. f-1 = {(-3, 7), (-1, -1), (2, -6), (4, -8)} B. f-1 = {(7, -3), (1, -1), (-6, -2), (-8, -4)} C. f-1 = {(-3, 7), (-1, 1), (-2, -6), (-4, -8)} D. f-1 = {(3, -7), (1, -1), (2, 6), (4, 8)}
Mathematics