Solve the Compound Inequality $\mathrm { F }$ , to Celsius Temperature

question 12

Multiple Choice

Solve the compound inequality. Other than ∅, use interval notation to express the solution set and graph the
solution set on a number line.
-The formula for converting Fahrenheit temperature, $\mathrm { F }$ , to Celsius temperature, $\mathrm { C }$ , is
$$C = \frac { 5 } { 9 } ( F - 32 ) \text {. }$$
If Celsius temperature ranges from $- 20 ^ { \circ }$ to $50 ^ { \circ }$ , inclusive, what is the range for the Fahrenheit temperature?

• A) \(\left[ - 4 ^ { \circ } \mathrm { F } , 122 ^ { \circ } \mathrm { F } \right]\)
• B) \(\left( - 4 ^ { \circ } \mathrm { F } , 122 ^ { \circ } \mathrm { F } \right)\)
• C) \(\left[ - 20 ^ { \circ } \mathrm { F } , - 12 ^ { \circ } \mathrm { F } \right]\)
• D) \(\left( - 20 ^ { \circ } \mathrm { F } , - 12 ^ { \circ } \mathrm { F } \right)\)

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