Answer:
its 19.50 get the fourth free
Step-by-step explanation:
the 19.50 for each one
5 and 9 because it is right
5(6)819
1. Interchange x and y: x = log₂(y + 7)
2. Solve this resulting equatino for y:
x x
2 = y + 7 => y = 2 - 7
3. Replace "y" with
-1 -1 x
f (x): f (x) = 2 - 7 This is the desired inverse.
