Answer:
B. 4
Step-by-step explanation:
The sign means greater than or equal to
The sign > just means greater than
4 is a solution for x 4, because 4 is equal to 4, but not a solution for x>4, because 4 is not greater than 4
Hope this helps! :)
Let's find the inverse of given function ~
[ now, replace f(x) and x with ]
That's the required inverse function ~