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 - 2| ? 0.2, |y - 1| ? 0.2
A. |E| ? 27.8784
B. |E| ? 21.8388
C. |E| ? 15.2064
D. |E| ? 21.5424
Answer: A
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Solve the problem.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine whether the function is odd, even, or neither.f(x) = x csc x
A. Even B. Neither C. Odd
Without solving, choose the correct solution by deciding which choice satisfies the given conditions.Rozlyn has two containers of water for a camping trip. One container holds 3 times as much as the other. The total amount of water is 40 gallons. How much water is in each container?
A. 10.5 gallons; 29.5 gallons B. 10 gallons; 30 gallons C. 9 gallons; 31 gallons D. 40 gallons; 10 gallons
Solve the following quadratic equation by factoring.
?
A. ?w = a, 9b B. ?w = a + 3b, -a + 3b C. ?w = a, -9 b D. ?w = a + 3b, a - 3b E. ?w = -a - 3b, -a + 3b