Find and simplify f ( 4 ) + f ( 5 ) f ( 4 ) + f ( 5 ) f ( 4 ) + f ( 5 ) for the function f ( x ) = x + 2 x − 3 f ( x ) = \frac { x + 2 } { x - 3 } f ( x ) = x − 3 x + 2 .A) f ( 4 ) + f ( 5 ) = 19 f ( 4 ) + f ( 5 ) = 19 f ( 4 ) + f ( 5 ) = 19 B) f ( 4 ) + f ( 5 ) = 23 2 f ( 4 ) + f ( 5 ) = \frac { 23 } { 2 } f ( 4 ) + f ( 5 ) = 2 23 C) f ( 4 ) + f ( 5 ) = 23 9 f ( 4 ) + f ( 5 ) = \frac { 23 } { 9 } f ( 4 ) + f ( 5 ) = 9 23 D) f ( 4 ) + f ( 5 ) = 19 2 f ( 4 ) + f ( 5 ) = \frac { 19 } { 2 } f ( 4 ) + f ( 5 ) = 2 19 E) f ( 4 ) + f ( 5 ) = 9 23 f ( 4 ) + f ( 5 ) = \frac { 9 } { 23 } f ( 4 ) + f ( 5 ) = 23 9

Question

Find and simplify   f ( 4 )  + f ( 5 )  f ( 4 )  + f ( 5 )  f ( 4 )  + f ( 5 )    for the function   f ( x )  = x + 2 x − 3 f ( x )  = \frac { x + 2 } { x - 3 } f ( x )  = x − 3 x + 2 ​   .A)    f ( 4 )  + f ( 5 )  = 19 f ( 4 )  + f ( 5 )  = 19 f ( 4 )  + f ( 5 )  = 19 B)    f ( 4 )  + f ( 5 )  = 23 2 f ( 4 )  + f ( 5 )  = \frac { 23 } { 2 } f ( 4 )  + f ( 5 )  = 2 23 ​ C)    f ( 4 )  + f ( 5 )  = 23 9 f ( 4 )  + f ( 5 )  = \frac { 23 } { 9 } f ( 4 )  + f ( 5 )  = 9 23 ​ D)    f ( 4 )  + f ( 5 )  = 19 2 f ( 4 )  + f ( 5 )  = \frac { 19 } { 2 } f ( 4 )  + f ( 5 )  = 2 19 ​ E)    f ( 4 )  + f ( 5 )  = 9 23 f ( 4 )  + f ( 5 )  = \frac { 9 } { 23 } f ( 4 )  + f ( 5 )  = 23 9 ​

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Find and simplify $f (4) + f (5)$ for the function $\frac { x + 2 } { x - 3 }$ .

A) $f (4) + f (5) = 19$
B) $\frac { 23 } { 2 }$
C) $\frac { 23 } { 9 }$
D) $\frac { 19 } { 2 }$
E) $\frac { 9 } { 23 }$

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