Determine whether the graph is the graph of a function.
A. Yes
B. No
Answer: A
Mathematics
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Find 
and 
.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= 
; 
= 
D. 
= - 
; 
= - 
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = cos x sin2 yz
A. 
= -sin x sin2 yz; 
= z cos x sin yz cos yz; 
= y cos x sin yz cos yz
B. 
= -sin x sin2 yz; 
= 2z cos x sin yz cos yz ; 
= 2y cos x sin yz cos yz
C. 
= sin x sin2 yz; 
= -2z cos x sin yz cos yz; 
= - 2y cos x sin yz cos yz
D. 
= sin x sin2 yz; 
= - cos x sin yz cos yz; 
= -cos x sin yz cos yz
Mathematics
Solve the problem.The dimensions of a rectangular yard are 22 feet by 114 feet. What is its perimeter?
A. 2508 feet B. 272 feet C. 158 feet D. 136 feet
Mathematics
Use the indicated entry as the pivot and perform the pivoting once.
A. 
B. 
C. 
D. 
Mathematics