Answer:
(-∞,+∞) interval notation
it is not clear if the square root on the x only or the four too.
the answer above is if the equation is :
√x +4/x -2
I hope this helps you
x^2-x-72=0
x -9
x +8
(x-9)(x+8)=0
x=9
x= -8
Number of shares
1050/10=105
After one year share value
10×(1+0.13)=11.3
After the second year share value
11.3×(1−0.05)=10.735
Total
10.735×105=1,127.175
The 7 is in the Ones place