The Function F Described by F(C)= $\frac { 9 } { 5 }$

Multiple Choice

The function F described by F(C) = $\frac { 9 } { 5 }$ C+32 gives the Fahrenheit temperature corresponding to the Celsius
temperature C . Find and interpret F(-20) .

A) $- 112 ^ { \circ } \mathrm { F } : \mathrm { A }$ temperature of $- 20 ^ { \circ } \mathrm { C }$ is equivalent to $- 112 ^ { \circ } \mathrm { F }$
B) $- 4 ^ { \circ } \mathrm { F } ; \mathrm { A }$ temperature of $- 20 ^ { \circ } \mathrm { C }$ is equivalent to $- 4 ^ { \circ } \mathrm { F }$
C) $- 4 ^ { \circ } \mathrm { F } : \mathrm { A }$ temperature of $- 4 ^ { \circ } \mathrm { C }$ is equivalent to $- 20 ^ { \circ } \mathrm { F }$
D) $- 40 ^ { \circ } \mathrm { F } ; \mathrm { A }$ temperature of $$- 20 ^ { \circ } \mathrm { C }$$ is equivalent to $$- 40 ^ { \circ } \mathrm { F }$$