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The function f (x) = {{:( 2x ^(2) - 1 ...

The function `f (x) = {{:( 2x ^(2) - 1 "," , if 1 le x le 4), (151-30x"," ,if 4 lt x le 5):}` is not suitable to apply Rolle's theorem since

A

f(x) is not continuous on [1,5]

B

`f (1) ne f (5)`

C

f (x) is continuous only at x =4

D

f(x) is not differentable iat x=4

Text Solution

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The correct Answer is:
D
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