Evaluate the sum.
?
?
A. 84
B. 36
C. 168
D. 79
E. 21
Answer: A
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Find the Jacobian J(u, v).
A. -6
B. 
C. 80
D. - 
Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Solve the problem.The graph depicts the distance of a runner from the finish line of a race. Find and interpret each intercept.
A. (0, 30); (3, 0); The runner begins 30 miles from the finish line and finishes the race in 3 minutes. B. (0, 30); (3, 0); The runner begins 3 miles from the finish line and finishes the race in 30 minutes. C. (0, 3); (30, 0); The runner begins 3 miles from the finish line and finishes the race in 30 minutes. D. (0, 3); (30, 0); The runner begins 30 miles from the finish line and finishes the race in 3 minutes.
Find the sum, if it exists.-7 - 
- 
- 
+ . . .
A. - 63 B. - 70 C. 70 D. Does not exist