Perform the indicated operation and express in lowest terms.
- 
A. 
B. 
C. 2y + 4
D. 
Answer: D
Mathematics
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Solve the problem.Show that df = - 
dx + 
dy - 
dz is exact.
What will be an ideal response?
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Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. No B. Yes
Mathematics
Find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.(x - 7)2 + x2 = (x + 1)2
A. -4, -12 B. 4, 12 C. 7, 12 D. 7, -1
Mathematics