Algebra-1

The given graph is defined piecewise:

For x ≤ 1, the function f(x) = x².
For 1 < x ≤ 2, the function f(x) = 3.
For x > 2, the function f(x) = x.

To find f(1), we can first determine 1 is less or equal to 1, which correspond to the first equation.