Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= - 
; 
= 
= 
Answer: D
Mathematics
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Find the slope-intercept form of the equation of the line with the given properties.Horizontal; containing the point (4, -2)
A. x = -2 B. y = 4 C. x = 4 D. y = -2
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Identify the degree and leading coefficient of the polynomial.f(x) = -9x3 - 17 - 11x4 + x9 + 11x2
A. Degree: 4; leading coefficient: -11 B. Degree: 9; leading coefficient: -9 C. Degree: 3; leading coefficient: -9 D. Degree: 9; leading coefficient: 1
Mathematics
Factor the trinomial, or state that the trinomial is prime.x2 - x - 54
A. (x + 6)(x - 9) B. (x - 54)(x + 1) C. prime D. (x - 6)(x + 9)
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Simplify.
A. 4
B. 4
C. 
D. 16
Mathematics