Lascia che f (x) = 9x - 2 e g (x) = -x + 3, come trovi f (g (x))?
Risposta:
#f(g(x))=-9x+25#
Spiegazione:
Substitute x = - x + 3, that is g(x) into f(x)
#f(g(x))=f(color(red)(-x+3))#
#color(white)(f(g(x)))=9(color(red)(-x+3))-2#
#color(white)(f(g(x)))=-9x+27-2#
#color(white)(f(g(x)))=-9x+25#