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| ? 9.12384
B. |E| ? 16.72704
C. |E| ? 12.92544
D. |E| ? 13.10328
Answer: B
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Convert to scientific notation.350,000
A. 3.5 × 10-6 B. 3.5 × 106 C. 3.5 × 10-5 D. 3.5 × 105
Solve.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 16.8 gallons of water. Find the amount of water used in a shower lasting 10 minutes.
A. 7.2 gallons B. 8.8 gallons C. 8 gallons D. 210 gallons
Use inequality symbols to rewrite the statement.x is between -15 and 16, excluding -15 and including 16.
A. -15 < x < 16 B. -15 < x ? 16 C. -15 ? x < 16 D. -15 ? x ? 16
Find the vertices of the hyperbola.
- 
= 1
A. (-4, 3) and (-4, -1) B. (-7, 1) and (-1, 1) C. (1, -1) and (7, -1) D. (4, 1) and (4, -3)