The graph of 
is given in the figure. State whether 
or 
A. a < 0
B. a > 0
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
Multiply.(5x3y)(2x4y5)
A. 10x7y5 B. 10x7y6 C. 10x12y5 D. 7x7y5
Mathematics
Find the equation of a circle satisfying the given conditions.Center: (0, 5); radius: 2
A. (x - 5)2 + y2 = 4 B. (x + 5)2 + y2 = 4 C. x2 + (y + 5)2 = 2 D. x2 + (y - 5)2 = 4
Mathematics
Solve the equation.x2 = 4
A. ± 2 B. 3 C. 2 D. -2
Mathematics