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 + 2| ? 0.1, |z - 3| ? 0.1
A. |E| ? 0.63
B. |E| ? 0.84
C. |E| ? 0.42
D. |E| ? 0.56
Answer: A
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Which of the following is not equivalent to the expression: (13-8)2 - 2(-5)?? ?
A. 35 B. ?(169-64)+10 C. ?(5)2+10 D. ??(25)+10 E. ?(5)(5)+10
Use the average daily balance method to compute the finance charge on the credit card for the previous month.Month: February (28 days)Previous month's balance: $1250Interest rate: 20%
A. $16.60 B. $14.55 C. $17.97 D. $7.56
Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
y = xy = 2x
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Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 
, g(x) = 
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