My Math Forum

My Math Forum (http://mymathforum.com/math-forums.php)
-   Algebra (http://mymathforum.com/algebra/)
-   -   Please help (http://mymathforum.com/algebra/323597-please-help.html)

poeteskimo January 23rd, 2016 07:33 AM

Please help
 
x + 3^x < 4

I tried logarithms but couldn't get a solution. Could anyone show me their method?

greg1313 January 23rd, 2016 08:11 AM

$x+3^x$ is strictly increasing, so $x+3^x<4$ when $x<1$.

poeteskimo January 23rd, 2016 08:42 AM

Thanks man.


All times are GMT -8. The time now is 05:57 PM.

Copyright © 2019 My Math Forum. All rights reserved.