Solve the problem.Find the area of the shaded region. Express the answer in terms of ?.
A. 49 - 
? square units
B. 
? + 49 square units
C. 196 - 49? square units
D. 49 - 
? square units
Answer: A
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Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= - 
; 
= - 
; 
= ln (xy)
B. 
= z ln 
; 
= zln
; 
= ln (xy)
C. 
= 
; 
= 
; 
= ln (xy)
D. 
= 
; 
= 
; 
= z ln (xy)z-1
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.x + 6y = 69x - 5y = -5
A. (1, 1) B. (0, 0) C. (0, 1) D. (1, 0)
Perform the conversion. Round to the nearest tenth when necessary.6.7 yd to m
A. 51.1 m B. 170.2 m C. 263.8 m D. 6.1 m
Solve the problem.The function P, given by P(d) = 
d + 1, gives the pressure, in atmospheres (atm), at a depth d, in feet, under the sea. Find the pressure at 200 feet. Round your answer to the nearest whole number.
A. 200 atm B. 7 atm C. 201 atm D. 8 atm