Answer:
D. 25
Step-by-step explanation:
f(x) = 6 – 5x and g(x) = 4x – 1
We want to subtract.
f(x) -g(x)= 6 – 5x -( 4x – 1)
Distribute the minus sign
6 – 5x - 4x + 1
I line them up vertically
– 5x +6
- 4x + 1
-------------------
-9x +7
Now let x = -2
-9(-2) +7
18+7
25
