Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.x-2/5 ? x3/5
A. x1/5
B. x5/6
C. x-1/5
D. x6/5
Answer: A
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Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= - 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= 
; 
= 
= 
Give the equation of the slant asymptote, if any, of the function.f(x) = 
A. y = x + 1 B. x = y + 7 C. y = x + 7 D. none
The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use the Law of Sines to solve the triangle, if it is possible, or state that the Law of Sines cannot be used.
A. B = 87.2°, C = 43.8°, 
B. No triangle is formed.
C. B = 92.2°, C = 38.8°, 
D. The triangle cannot be solved with the Law of Sines.
Determine whether the matrix is a regular stochastic matrix. Give a reason for your conclusion.
What will be an ideal response?