Answer :

We are given with a polynomial function f(x) = x3 + 7x2 + 8x - 9, and we have to find whether it is derivable at x = 4 or not, so by using the formula, f ‘(c) = , we get,

f ‘(4) =


f ‘(4) =


f ‘(4) =


f ‘(4) = limx4 x2 + 11x + 52


f ‘(4) = 112.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

Show that of all Mathematics - Board Papers

Find the value ofMathematics - Board Papers

If x sin (a + y) Mathematics - Exemplar

The function f(x)Mathematics - Exemplar

Show that of all Mathematics - Board Papers

If the function fMathematics - Board Papers

Find <img wMathematics - Exemplar

Let f(x) = |sinx|Mathematics - Exemplar

The derivative ofMathematics - Exemplar