An inverse function reverses (x, f(x)) to make it (f(x), x).
The 1st selection does that.
B use the app Photomath it helps you with this kinda questions
Answer:
1. 3
Step-by-step explanation:
First, you need to distribute the right side of the equation : 8n - 2
Now the equation is : 20 - 7n = 8n - 2
Add 2 to both sides : 22 - 7n = 8n
Add 7n to both sides : 22 = 15n
Divide both sides by 15 : ( I had to round this one) 1.5 = n
