Question
If the function t which maps temperature in degree Celcius into temperature in degree Fahrenheit is defined by t(C) = $\frac{9C}{5}$+ 32, then find t(0).

Answer

Here it is given that, $t(C) =$ $\frac{9 C}{5}$$+ 32$
Put C = 0, we get
$t(0) =$ $\frac{9 \times 0}{5}$ + 32 = 0 + 32 = 32

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