Answer:
B
Step-by-step explanation:
x is the value of x which you input into the function and f(x) is the actual function and therefore the output. so when x=3, f(x)= -2. f(3)=-2
You would divide 198 by 9.
198÷9=22
Each person would clean 22 rooms.
The awnser is (-1+3/x-3/x2+1/x3 )
7 is the range of this function