Subtract.-80 - (-59)
A. -139
B. -21
C. 139
D. 21
Answer: B
Mathematics
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Find 
and 
.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= 
; 
= 
D. 
= - 
; 
= - 
Mathematics
Solve.
- 
= 
A. {-25} B. {25} C. {55} D. ?
Mathematics
Find the domain of the rational function.f(x) = 
A. All real numbers except 
and - 
B. All real numbers
C. All real numbers except 14
D. All real numbers except 7
Mathematics
Find the vertex of the parabola.f(x) = x2 - 5
A. (-5, 0) B. (0, -5) C. (5, 0) D. (0, 5)
Mathematics