Roboguru

Fungsi dengan persamaan Tentukan dan !

Fungsi begin mathsize 14px style f colon R rightwards arrow R end style dengan persamaan

begin mathsize 14px style f open parentheses x close parentheses equals open curly brackets table attributes columnalign left end attributes row cell table attributes columnalign left end attributes row cell 2 comma space j i k a space x less than negative 1 end cell row cell x squared plus 5 x plus 6 comma space j i k a space minus 1 less or equal than x less or equal than 2 end cell row blank end table end cell row cell 3 x plus 14 comma j i k a space x greater than 2 end cell end table close end style 

Tentukan begin mathsize 14px style f open parentheses 0 close parentheses comma f open parentheses 5 close parentheses comma space end style dan begin mathsize 14px style f open parentheses negative 3 close parentheses end style!

Jawaban:

0 terletak di antara -1 dan 2 maka size 14px f begin mathsize 14px style left parenthesis 0 right parenthesis end style size 14px equals size 14px 0 to the power of size 14px 2 size 14px plus size 14px 5 begin mathsize 14px style left parenthesis 0 right parenthesis end style size 14px plus size 14px 6 size 14px equals size 14px 6  

begin mathsize 14px style 5 greater than 2 end style  maka begin mathsize 14px style f open parentheses 5 close parentheses equals 3 left parenthesis 5 right parenthesis plus 14 equals 29 end style  

begin mathsize 14px style negative 3 less than negative 1 end style maka begin mathsize 14px style f open parentheses negative 3 close parentheses equals 2 end style 

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