Multiply.-6x2(-11x4 + 10x2)
A. 66x6 - 60x4
B. 6x6 + 6x4
C. 6x2
D. 66x6 + 10x2
Answer: A
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Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Square roots of 1 - i
A. 
(cos 22.5° + i sin 22.5°), 
(cos 202.5° + i sin 202.5°)
B. 
(cos 22.5° + i sin 22.5°), 
(cos 22.5° + i sin 22.5°)
C. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
D. 
(cos 157.5° + i sin 157.5°), 
(cos 337.5° + i sin 337.5°)
Determine the domain and range of the function. Then graph it.f(x) = 
A. domain = [-5, ?), range =[0, ?)
B. domain = (-?, ?), range = (-?, ?)
C. domain = [0, ?), range = [5, ?)
D. domain = (-?, ?), range = [-5, 5]
Select the system of inequalities that matches the given graph.
A. y ? -x y ? 2x + 2 B. y ? -x y ? 2x + 2 C. y ? -x y ? 2x + 2 D. y ? -x y ? 2x + 2
Use row reduction to find the inverse of the given matrix, if it exists. Check your answer by multiplication.
?
What will be an ideal response?