Hey there! I'll try to provide you with my best answer.
Answer: 30
The difference between 48 and 21 is 27. So if we round it off it comes 30.
Hope it helps! ^^
Answer:
(f-g)(4) = 10
Step-by-step explanation:
(f-g)(x) = f(x) - g(x)
= 1/2 x^2 - 1/4 x + 4 - 1/2 x + 1
= 1/2 x^2 - 1/4 x - 1/2 x + 4 + 1
= 1/2 x^2 - 3/4 x + 5
(f-g)(4)
= 1/2 (4)^2 - 3/4 (4) + 5
= 1/2 * 16 - 3 + 5
= 8 - 3 + 5
= 5 + 5
= 10
Answer:
13.
14. 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
Step-by-step explanation: