Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Consider the function `f(x) =8x^2 -7x+ 5` on the interval `[-6,6]` . The value of c that satisfies the condition of the Lagrange's mean value theorem, is - Sarthaks eConnect
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Consider the function `f(x) =8x^2 -7x+ 5` on the interval `[-6,6]` . The value of c that satisfies the condition of the Lagrange's mean value theorem, is

A.

`-7/8`

B.

-4

C.

`7/8`

D.

0

Solution

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Best answer

`f'(c)=16c-7=(f(6)-f(-6))/12=((8.36-7.6+5)-(8.36+7.6+5))/12=-(2xx7xx6)/12=-7`

`16c=0=>c=0.`