Question

How do you find local min and max, point of inflection and concavity for the equation f(x)=4x3+21x2−294+7?

Answer 1

HEY here the question may be

f(x) = 4x^3+21x^2-294x+7

then

For local max or min put f'(x)=0

we get x values are -7 or 7/2

for max f"(x)<0

for min f"(x)>0

so we get max value at x= 7/2

and min value at x = -7

HOPE THIS ANSWER

HELPS YOU