33.3% x 81
0.333 x 81
=26.973 answer
The answer is going to be a fraction...which is 75/1000, otherwise known as 1/40
Answer:

Step-by-step explanation:
We have the function 
In this case we want to find the value of f0)
To find f(0) you must replace the x in the function with the number 0 and solve as shown below



Therefore

Step-by-step explanation:
sqrt(-4) = sqrt(4×-1) = sqrt(4)×sqrt(-1) = 2i