f(x) = 5x-2 g(x) = 4x^2+6 tentukan f.g(x) dan g.f(x)!

#f(g(x))
=f(4x²+6)
=5(4x²+6)-2
=20x²+30-2
=20x²+28
=5x²+7

#g(f(x))
=g(5x-2)
=4(5x-2)²+6
=4(25x²-20x+4)+6
=100x²-80x+16+6
=100x²-80x+22
=50x²-40x+11

maaf klo salah