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The function 't' which maps temperature ...

The function 't' which maps temperature in degree Celsius into temperature in degree Fahrenheit is defined by `t(C)=(9C)/(5)+32`
Find (i) t(0) (ii) t(28) (iii) t(-10) (iv) The value of C, when t(C)=212.

A

14

B

41

C

50

D

None of these

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A
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