Question

f ´(x)= 0 if

f(x) = x^2 + 3x + 36

Answer 1

Have you found the derivative of the function given?

Answer 2

2x+3 ?

Answer 3

Yep now set 2x+3=0
And solve for x

Answer 4

x=-1,5

Answer 5

2x+3=0 has one solution and it is neither of those...
You are suppose to be solving f'(x)=0 for x, right?

Answer 6

yes

Answer 7

wait are you saying -1.5 or -1,5?

Answer 8

-1,5?

Answer 9

Is the comma in your country like a decimal?

Answer 10

I think some countries use , instead of . for decimals.

Answer 11

yes

Answer 12

lol well yes -1,5 or -3/2 is right..

Answer 13

jeyjj thank you :)

Answer 14

np