Answer :
Step-by-step explanation:
1)
- f-g(x)
- x²+3-2x+7
- x²-2x+10
2)
- f×g(x)
- (x²+3)(2x-7)
- 2x³-7x²+6x-21
3)
- fog(5)
- f(g(5))
- f(2×5-7)
- f(3)
- 3²+3
- 9+3
- 12
4)
- gof(x)
- g(f(x))
- g(x²+3)
- (2x-7)²+3
- 2x²-2×2x×7+7²
- 2x²-28x+49
stay safe healthy and happy.
Step-by-step explanation:
1)
2)
3)
4)
stay safe healthy and happy.