Tolong bantuu yaa pakai caraanyaa.-2b.-1c.1d.2e.3
Jawaban:
g(x) = 5x + 2 / 3x – 2
• cari invers
misal g(x) = y
y = 5x + 2 / 3x – 2
y ( 3x – 2 ) = 5x + 2
3xy – 2y = 5x + 2
3xy – 5x = 2y + 2
x(3y – 5) = 2y + 2
x = 2y + 2 / 3y – 5
g-¹(x) = 2x + 2 / 3x – 5
• nilai g-¹(1)
= 2x + 2 / 3x – 5
= 2(1) + 2 / 3(1) – 5
= 4 / -2