Answer:
C.
Explanation:
If the line and dot are solid, than the x values can be 0 or higher.
0 and 4 are two values that x can equal.
the square root of 0 is 0, and the square root of 4 is 2.
A, B and D do not work with those values, so the answer is C
C.
Explanation:
If the line and dot are solid, than the x values can be 0 or higher.
0 and 4 are two values that x can equal.
the square root of 0 is 0, and the square root of 4 is 2.
A, B and D do not work with those values, so the answer is C