Find the power series representation for f(x).f(x) = 
A. 1 - 
+ 
- 
+ . . .
B. 1 + 
+ 
+ 
+ . . .
C. 
+ 
+ 
+ 
+ . . .
D. 
- 
+ 
- 
+ . . .
Answer: D
Mathematics
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Use implicit differentiation to find dy/dx.cos xy + x7 = y7
A. 
B. 
C. 
D. 
Mathematics
The length of time (in seconds) a certain individual takes to learn a list of n items is approximated by 
.
?
Use differentials to approximate the additional time it takes the individual to learn the items on a list when n is increased from 42 to 45 items. Round to the nearest second.
?
A. 187 sec B. 169 sec C. 193 sec D. 171 sec
Mathematics
Factor the polynomial.125c3 + 343
A. (5c + 7)(25c2 - 35c + 49) B. (125c + 7)(c2 - 35c + 49) C. (5c - 7)(25c2 + 35c + 49) D. (5c + 7)(25c2 + 49)
Mathematics
Simplify.
A. 19
B. 0
C. Not defined
D. 
Mathematics