28 is a multiple of 7 and also a factor of seven!
This is an iteration method for finding the square root.
The ? is also your first initial guess.
? = 10.5
The iteration formula for the square root is actually.
√n = (x + n/x)÷2.
Where x is your guess.
Answer: A
Step-by-step explanation:
Letting
,

Also, the domain of an inverse is the same as the range of the original function, so the range is 