Posted by **Hannah** on Monday, November 1, 2010 at 4:16pm.

if f(x) = 2x - x ln x

show that f(e^3) = -e^3

I know you have to substitute e^3 into the function, so Ive sone ths so far:

2e^3 - e^3 ln e^3

What is the next step?

## Answer this Question

## Related Questions

- Maths - if f(x) = 2x - x ln x show that f(e^3) = -e^3 I know you have to ...
- MATHS URGENT - The values for x when f(x) = 0 are: x=-2 and x=3 My question is...
- Maths - show that these curves y=2x^2+5x y=x^2+4x+12 y=3x^2+4x-6 have one point ...
- Maths - Hi, need a bit of help on this one. A straight line passes through the ...
- Algebra2????? - What would be the missing piece of information given the ...
- Maths - The values for x when f(x) = 0 are: x=-2 and x=3 My question is: The ...
- Maths (URGENT) - The values for x when f(x) = 0 are: x=-2 and x=3 My question is...
- CHEMISTRY - I see you took my advice literally about carrying extra places. It ...
- Maths - Suppose that the reliability of a HIV test is specified as follows: Of ...
- Maths - Suppose that the reliability of a HIV test is specified as follows: Of ...