Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ? L(x, y) at the given point over the given region R.
at 
; R: |x - 1| ? 0.1, |y - 1| ? 0.1, |z - 1| ? 0.1
A. |E| ? 0.21 B. |E| ? 0.188 C. |E| ? 0.225 D. |E| ? 0.175
Mathematics
True or false?In Lobachevskian geometry, it is possible for a triangle to have angle measures 90°, 80°, and 60°.
A. True B. False
Mathematics
Integrate the function f over the given region.f(x, y) = 
over the region bounded by the x-axis, line 
and curve 
A. 6 B. 8 C. 1 D. 7
Mathematics
Find the area of the shaded region.
A. 2 + 
B. 2 + ?
C. 2
D. 2 - 
Mathematics