Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Answer: A
Mathematics
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Find all the second partial derivatives.z = 
A. 
= - 
; 
= 
; 
= 
= 
B. 
= - 
; 
= 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= 
D. 
= - 
; 
= 
; 
= 
= 
Mathematics
For the given function, find the indicated function value, if it exists. If the value does not exist, answer "Does not exist".For f(x) = 
, find f(13).
A. 
B. 2
C. 
D. 
Mathematics
Round the whole number to the given place value.197,499, thousands
A. 198,000 B. 197,500 C. 197,000 D. 197,400
Mathematics
Subtract.
- 
A. 5x5 - 6x4 + 3x3 + 3 B. 5x5 - 10x4 - 9x3 - 1 C. 9x5 - 6x4 + 3x3 + 3 D. 9x5 - 6x4 + 3x3 - 1
Mathematics