Answer:
C.
![-1\leq x\leq 3](https://img.qammunity.org/2019/formulas/mathematics/high-school/f2fa71wgmiajicpqm5o40arf3es3n74w91.png)
Explanation:
We have been given graph of a function. We are asked to find the domain of our given function.
We know that domain of a function is x-values for which a function is defined or gives an out-put of y-values.
We can see that our function is defined for all values of x from
to 3, that is
and option C is the correct choice.