Question

Tolong jawab ya besok di kumpul,beserta penyelasaiannya ya

Answer 1

Verified answer

Jawab

19. g(x)= x+ 5
fog(x)= 6x + 3
f { g(x) } = 6x + 3
f (x+ 5) = 6x + 3
f (x) = 6(x - 5) + 3
f(x) = 6x - 27

20. g(x)= 3 - 2x
gof(x)= 2x² + 2x  - 11
g {f(x)}= 2x² + 2x - 11
3 - 2 f(x)=  2x² + 2x - 11
- 2 f(x) = 2x² + 2x -11- 3
- 2  f(x) = 2x² + 2x -14
f(x)=  -x² - x - 7