Hi there!
f(x) = x + 5
1. y = x + 5
Switch places from x and y.
2. x = y + 5
Subtract 5.
3. x - 5 = y
Switch sides.
4. y = x – 5
Now we've found our answer.
~ Hope this helps you!
That would be on the 5th week. There were 18 students that attended (D.)
Hope this helped!
18<x is the answer you are looking for. Glad to help.
