Find the sum.-40 + (-19)
A. 59
B. 21
C. -59
D. 60
Answer: C
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Provide an appropriate response.The function f(x, y) = x2 + 
y3 + 2xy - 8y + 6 has a relative minimum at
A. (2, -2). B. (-4, 4). C. (3, 6). D. (6, -6). E. (-3, 3).
Solve.To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those polled, 122 had a swimming pool. How many people in the city might one expect to have a swimming pool? (Round to the nearest whole number, if necessary.)
A. 20,492 people B. 4880 people C. 3 people D. 488 people
Solve the system by elimination. If the system is inconsistent or dependent, say so.
A. (0, -6) B. (0, 6) C. (-6, 0) D. (6, 0)