Give an appropriate answer.Let
f(x) = -8 and
g(x) = -6. Find
[f(x) ? g(x)].
A. -14
B. -6
C. 9
D. 48
Answer: D
Mathematics
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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. 
= 
; 
= - 
; 
= 
= 
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.x2 - 16 = 15x
A. x = -1, x = 16 B. x = 1, x = -16 C. x = -4 D. x = -4, x = 4
Mathematics
Simplify by first writing the radicals with the same index. Then multiply.
? 
A. 
B. 
C. 
D. 
Mathematics
Multiply.(7x + 11y)2
A. 7x2 + 154xy + 121y2 B. 49x2 + 154xy + 121y2 C. 49x2 + 121y2 D. 7x2 + 121y2
Mathematics