LON-CAPA alg_ineq001.problem

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$\textrm{The relationship between the Celsius and Fahrenheit} \\ \textrm{temperature scales is given by } C = \frac{5}{9}(F-32), \textrm{ where } C \\ \textrm{is the temperature in degrees Celsius and } F \textrm{ is the} \\ \textrm{temperature in degrees Fahrenheit. } \textrm{What interval} \\ \textrm{on the Celsius scale corresponds to the temperature} \\ \textrm{interval } 40 \leq F \leq 65 ? \\ \textrm{ } \\ \textrm{ } \\$

$\Big[ \frac{3}{55} \ , \ \frac{9}{40} \Big]$

$\Big[ \frac{40}{9} \ , \ \frac{55}{3} \Big]$

$\big[ -40 \ , \ {55} \big]$

$\Big[ \frac{-55}{3} \ , \ \frac{40}{9} \Big]$

$\Big[ \frac{-40}{9} \ , \ \frac{55}{3} \Big]$

$\textrm{None of the above}$

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