F(4) is equivalent to 28 because when you plug in 4 for the x, you get 28.
Answer:
12
Step-by-step explanation:
2x-4
Subsitute x for 8 2(8)-4
Simply 16-4
12
11. a) .19 b) 19/100
12. a) 23% b) .23
13. a) 7% b) 7/100
14. a) .11 b) 11/100
15. a) .2 b) 2/100
16. a) .9 b) 9%
17. a) 13% b) 13/100
18. a) ¼ b) .25
Hoped it helped. ☺
1. 13
2. 9 or 38 not really sure
3.1595
4.. 810