Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.3x-4
A. -12x
B. 
C. - 
D. 
Answer: B
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = ex/y
A. 
= 
; 
= ex/y
; 
= 
= -ex/y
B. 
= 
; 
= 
; 
= 
= 
C. 
= 
; 
= -ex/y
; 
= 
= ex/y
D. 
= 
; 
= ex/y
; 
= 
= -ex/y
Mathematics
Find the third derivative of the function.
?
What will be an ideal response?
Mathematics
Provide an appropriate response.What proportion of the following sample of ten measurements lies within 1 standard deviation of the mean? 
A. 40% B. 80% C. 100% D. 60%
Mathematics
Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
Mathematics