Let f be a continuity function on [1,3] ...

Let f be a continuity function on [1,3] . If 'f' takes only reational value of 'x' and `f(2)=10` then `f(1.5)=`

A

8

B

`(f(1)+(3))/(2)`

C

20

D

10

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The correct Answer is:

C

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