Find the Domain and Range of the Function Graphed $\left\{ - \frac { 1 } { 4 } \right\}$

Multiple Choice

Find the domain and range of the function graphed.
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A) domain: $\left\{ - \frac { 1 } { 4 } \right\}$ ; range: $( - \infty , \infty )$
B) domain: $( - \infty , \infty )$ ; range: $\{ - 1 \}$
C) domain: $\left\{ - \frac { 1 } { 4 } \right\}$ ; range: $\{ - 1 \}$
D) domain: $( - \infty , \infty )$ ; range: $( - \infty , \infty )$