Write the complex number in the form a + bi.8(cos 30° + i sin 30°)
A. 
+ 
i
B. 4 + 4
i
C. 4
+ 4i
D. 
+ 
i
Answer: C
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Provide an appropriate response.True or false? The principal square root of 49 is 7.
A. True B. False
Round to the nearest hundredth.1.453
A. 1.45 B. 1.44 C. 1.46 D. 1.5
Use the graph of y = 
to solve the equation 
where 
and y2 represent linear functions.
A. {0} B. {-6} C. {-5} D. {-4}
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = (x + 6)3
A. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
B. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
C. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
D. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)