Roboguru

Diketahui fungsi ,  dan  dengan ,  dan . Tentukan:...

Diketahui fungsi begin mathsize 14px style f colon straight R rightwards arrow straight R end stylebegin mathsize 14px style g colon R rightwards arrow R end style dan begin mathsize 14px style h colon straight R rightwards arrow straight R end style dengan begin mathsize 14px style straight f left parenthesis straight x right parenthesis equals straight x plus 2 end stylebegin mathsize 14px style g left parenthesis x right parenthesis equals 3 straight x minus 1 end style dan begin mathsize 14px style h left parenthesis x right parenthesis equals straight x squared minus 1 end style. Tentukan:

a. begin mathsize 14px style left parenthesis straight h ring operator straight f ring operator straight g right parenthesis left parenthesis straight x right parenthesis end style 

Jawaban:

Dengan menerapkan konsep komposisi 3 fungsi, maka diperoleh penyelesaian sebagai berikut.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis straight h ring operator straight f ring operator straight g right parenthesis left parenthesis straight x right parenthesis end cell equals cell left parenthesis straight h left parenthesis straight f left parenthesis straight g left parenthesis straight x right parenthesis right parenthesis end cell row blank equals cell straight h left parenthesis straight f left parenthesis 3 straight x minus 1 right parenthesis right parenthesis end cell row blank equals cell straight h left parenthesis 3 straight x minus 1 plus 2 right parenthesis end cell row blank equals cell straight h left parenthesis 3 straight x plus 1 right parenthesis end cell row blank equals cell left parenthesis 3 straight x plus 1 right parenthesis squared minus 1 space end cell row blank equals cell 9 straight x squared plus 6 straight x plus 1 minus 1 end cell row blank equals cell 9 straight x squared plus 6 straight x end cell end table end style  

Jadi, Error converting from MathML to accessible text. 

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