I hope this helps you
x=0
f (0)=4.2^0=4
x=2
f (2)=4.2^2=16
None of the numbers are fractions or decimals.
The answer would be
D. natural numbers, whole numbers, and integers
Answer:

Step-by-step explanation:
The given relation is

To make
the subject, we square both sides of the equation to get;


Isolate
on one side of the equation;

Or

We take the positive square root of both sides to get;
