Perform the indicated operation. Simplify your answers. 
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that x ? - y B. All (x, y) ? (0, 0) C. All (x, y) D. All (x, y) such that x ? y
Mathematics
Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (-7 - t)i - j + (-7 - t) k, 0 ? t ? 1
A. 
B. 
C. 
D. 
Mathematics
Find the surface area of the figure. When appropriate, use ? = 3.14 and round your answer to the nearest hundredth.
A. 219.8 cm2 B. 439.6 cm2 C. 706.5 cm2 D. 298.3 cm2
Mathematics
Answer the following statement(s) true (T) or false (F)
It was not until near the beginning of the twentieth century that having students produce their own original geometric proofs became a widespread practice.
Mathematics