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.

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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