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Perform the Requested Operation on the Given Function f(x)=x245x4,g(x)=x3+35x2+xf ( x ) = x ^ { 2 } - \frac { 4 } { 5 } x - 4 , g ( x ) = x ^ { 3 } + \frac { 3 } { 5 } x ^ { 2 } + x

Question 63

Multiple Choice

Perform the requested operation on the given function.
- f(x) =x245x4,g(x) =x3+35x2+xf ( x ) = x ^ { 2 } - \frac { 4 } { 5 } x - 4 , g ( x ) = x ^ { 3 } + \frac { 3 } { 5 } x ^ { 2 } + x
Find (f+g) (x) ( f + g ) ( x )


A) 2x3110x23x2 x ^ { 3 } - \frac { 1 } { 10 } x ^ { 2 } - 3 x
B) 2x315x23x2 x ^ { 3 } - \frac { 1 } { 5 } x ^ { 2 } - 3 x
C) x3+45x2+110x4x ^ { 3 } + \frac { 4 } { 5 } x ^ { 2 } + \frac { 1 } { 10 } x - 4
D) x3+85x2+15x4x ^ { 3 } + \frac { 8 } { 5 } x ^ { 2 } + \frac { 1 } { 5 } x - 4

Correct Answer:

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