The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative 5, 0), has a vertex at (negative 2, 9), and goes through (1, 0).

Which statement about the function is true?

A-The domain of the function is all real numbers less than or equal to −2.
B- The domain of the function is all real numbers less than or equal to 9.
C-The range of the function is all real numbers less than or equal to −2.
D-The range of the function is all real numbers less than or equal to 9.