In the problem, P = (x, y) is the point on the unit circle that corresponds to the real number t. Find the exact value of the indicated trigonometric function of t.
?Find sin t.
A. - 
B. - 
C. 
D. - 
Answer: A
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Solve the problem.Suppose a ball is thrown upward to a height of h0 meters. Each time the ball bounces, it rebounds to a fraction r of its previous height. Let hn be the height after the nth bounce. Consider the given values of h0 and r. (a) Find the first four terms of the sequence of heights {hn}. (b) Find an explicit formula for the nth term of the sequence {hn}. h0 = 6, r = 0.5
A. (a) 6, 3, 
, 
(b) hn = 
(6)n
B. (a) 6, 3, 
, 
(b) hn = 6
n
C. (a) 6, 12, 24, 48
(b) hn = 6(2)n
D. (a) 6, 3, 
, 
(b) hn = 
n
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs.Entering GPACurrent GPA 
A. y = 0.03x + 3.67 B. y = 0.33x + 2.51 C. y= 0.02x + 4.91 D. y = 0.50x + 5.81
Evaluate the expression.(4-7) ? (44)
A. 16
B. 
C. 
D. 64
Find the distance between the two points (10, 7) and (-5, 7). ?
A. 30 B. 20 C. 12 D. 40 E. 15