Find the Domain and Range of the Quadratic Function Whose $( 1,6 )$

Multiple Choice

Find the domain and range of the quadratic function whose graph is described.
-The vertex is $( 1,6 )$ and the graph opens down.

A) Domain: $( - \infty , \infty )$
Range: $( - \infty , 6 ]$
B) Domain: $( - \infty , 1 ]$
Range: $( - \infty , 6 ]$
C) Domain: $( - \infty , \infty )$
Range: $[ 6 , \infty )$
D) Domain: $( - \infty , \infty )$
Range: $( - \infty , 1 ]$