Solve the equation.|x2 - 4x + 4|= 2
A. {2 - 
, 2 + 
}
B. {2 + 
}
C. {2 - 
}
D. no solution
Answer: A
Mathematics
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Find the curvature of the curve r(t).r(t) = (3t + 10)i - 10j + (4 - 
t2)k
A. ? = 3
3/2
B. ? = 
C. ? = 3
D. ? = 
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Find the area of the shaded region.
A. 3
B. 5
C. 
D. 
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State the name of the property illustrated.(4 + 7) + 1 = (7 + 4) + 1
A. Inverse property of addition B. Commutative property of addition C. Distributive property of multiplication over addition D. Associative property of addition
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Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? -9, -5
B. 
, x ? - 
C. 
, x ? - 
D. - 
, x ? -9, -5
Mathematics