`f(x) = 5(2 - 7x)^4` Find the second derivative of the function.

Expert Answers
hkj1385 eNotes educator| Certified Educator

`f(x) = 5(2-7x)^4`

`f'(x) = 5*4*(-7)*(2-7x)^3`

`or, f'(x) = -140(2-7x)^3`

`Thus, f''(x) = -140*3*(-7)*(2-7x)^2`

`or, f''(x) = 2940*(2-7x)^2`

``