Subtract and simplify.
- 
A. 11
B. 
C. 1
D. 
Answer: B
Mathematics
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Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Mathematics
Work the chain multiplication.6 ? 4 ? 2
A. 58 B. 48 C. 72 D. 12
Mathematics
Solve for x.
= -2
A. 2 B. -1 C. -2 D. No solution
Mathematics
Find the sum.
A. - 
B. - 
C. - 
D. - 
Mathematics