Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 
.
A. 6
B. 
C. 
D. 
Answer: D
Mathematics
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Use the properties of equality to solve the equation.8z = 
A. 
B. - 
C. - 
D. 
Mathematics
Graph.f(x) = -x2 - 2x - 9
A. 
B. 
C. 
D. 
Mathematics
Find the domain and range of the relation.{(11, 11), (-1, -9.1), (1, 10)}
A. Domain = {-1, 1, 11}; range = {-9.1, 10} B. Domain = {-1, 10, 11}; range = {-9.1, 1, 11} C. Domain = {-1, 1, 11}; range = {-9.1, 10, 11} D. Domain = {-9.1, 10, 11}; range = {-1, 1, 11}
Mathematics
Solve the equation by completing the square.x2 - 6x - 7 = 0
A. {-7, 1}
B. {-1, -6}
C. {- 
, 
}
D. {-1, 7}
Mathematics