Identify the domain and range of the relation.{(-2, -6), (0, 4), (4, 0), (7, -2)}
A. domain: {-6, 4, 0, -2}
range: {-2, 0, 4, 7}
B. domain: {-2, 0, 4, 7}
range: {-6, 4, 0, -2}
Answer: B
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Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = 4 sin x + 7 cos x
A. 
, 0.5
B. 
, -0.5
C. 130, -0.5
D. 130, 0.5
Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.
+ 3
+ 4
A. 24
B. 24
C. 7
D. 7
Evaluate the expression without using a calculator, and write your answer in radians.
?
?
A. 
B. 
C. 
D. 
E. 
Sarah and Monika need to divide accessories. They decided to sell a scarf and to share its value. What percent of the value will each of the girls get?
a. Sarah gets 25%, and Monika gets 75%.
b. Sarah gets 33%, and Monika gets 67%.
c. Sarah gets 50%, and Monika gets 50%.
d. Sarah gets 67%, and Monika gets 33%.