Pertanyaan

Jika f ( x ) = a x , maka f( x - y) = ....

Jika $f (x) = a^{x}$ , maka f(x - y) = ....

$begin mathsize 14px style fraction numerator straight f left parenthesis straight x right parenthesis over denominator straight f left parenthesis straight y right parenthesis end fraction end style$
$begin mathsize 14px style fraction numerator f left parenthesis y right parenthesis over denominator f left parenthesis x right parenthesis end fraction end style$

M. Robo

Master Teacher

Jawaban terverifikasi

Pembahasan

Karena , maka

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell straight f left parenthesis straight x minus straight y right parenthesis end cell equals cell straight a to the power of straight x minus straight y end exponent end cell row cell space space space space space space space space space space space end cell equals cell straight a to the power of straight x over straight a to the power of straight y end cell row cell space space space space space space space space space space space end cell equals cell fraction numerator straight f left parenthesis straight x right parenthesis over denominator straight f left parenthesis straight y right parenthesis end fraction end cell row blank blank blank row blank blank blank end table end style$