Asked by Herosugar
Find the second derivative for the function 5x^3+60x^2-36x-41
and solve the equation F(X)=0
i got to the second derivative but what do we do next to be able to get one of these answers..
F(x) = 5x3+60x2−36x−41
1. derivative of F(x)
with respect to x = 15x2+120x−36
2. derivative of F(x)
with respect to x = 30x+120
a. 4
b. 5
c. 0
d. 41
e. 36
and solve the equation F(X)=0
i got to the second derivative but what do we do next to be able to get one of these answers..
F(x) = 5x3+60x2−36x−41
1. derivative of F(x)
with respect to x = 15x2+120x−36
2. derivative of F(x)
with respect to x = 30x+120
a. 4
b. 5
c. 0
d. 41
e. 36
Answers
Answered by
Reiny
Your derivatives are correct
As to solving f(x) = 0
5x^3+60x^2-36x-41 = 0 is a tough one, since it does not factor
I used an apps to find
x = 1.11169
x = -12.5227
x = -.589024
As to solving f(x) = 0
5x^3+60x^2-36x-41 = 0 is a tough one, since it does not factor
I used an apps to find
x = 1.11169
x = -12.5227
x = -.589024
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