Use the unit circle to find the indicated quantities.
cos (-?); sin (-?)
A. 0; -1
B. -1; 0
C. 0; 1
D. 1; 0
Answer: B
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Use the type of regression function specified to make a prediction from the given data.The table below shows the number of subscribers to a certain magazine in various years. Use regression to fit an exponential function N(t) = abt to the data where t is the number of years since 1980 and N is the number of subscribers in thousands. Round regression coefficients to four decimal places.
A. N(t) = 4.0399(0.1492)t B. N(t) = 1.7349(1.2109)t C. N(t) = 3.1672(1.1862)t D. N(t) = 4.0399(1.1609)t
Select the smaller of the two given numbers.-19, -14
A. -14 B. -19
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.
?(0, ), (4, ), (-4, )
A. (0, 0), (4, 1), (-4, -1)
B. (0, -1), (4, -2), (-4, 0)
C. (0, -1), (4, 0), (-4, -2)
D. (0, 1), (4, 2), (-4, 0)
Write a percent proportion that could be used to answer the question. Do not solve. What percent of 63 calories is 16 calories?
A. 
= 
B. 
= 
C. 
= 
D. 
= 