The answer is 2. 7^2 is 49.
54 5 270
------- × ------- = --------- = 45
1 6 6
28 2 56
------- × ------ = ------- = 8
1 7 7
Well maybe he like the number 23 which is the answer
Answer:
f-1(x) = √x. +5
Step-by-step explanation:
f(x) = (x-5)^2
x = (y-5)²
√x = y-5
√x +5 = y
