A nonlinear system is given, along with the graphs of both equations in the system. Determine if the points of intersection specified on the graph are solutions of the system by substituting directly into both equations.x2 + y2 = 252y + x = 5
A. Yes
B. No
Answer: B
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y, z) = 
A. 
= 
; 
= 
; 
= 
B. 
= - 
; 
= - 
; 
= - 
C. 
= 
; 
= 
; 
= 
D. 
= - 
; 
= - 
; 
= - 
Mathematics
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 39 watches B. 61 watches C. 40 watches D. 30 watches
Mathematics
Solve the equation.ln (10 + 2x) = 2 ln (x + 1)
A. {3, -3}
B. 
C. {-3}
D. {3}
Mathematics
Solve the system.
A. x = 1, y = 4, z = 2 B. x = 4, y = 1, z = 2 C. x = 4, y = 2, z = 1 D. x = 1, y = 2, z = 4
Mathematics