F(x)=2x^2-log(x+5)/√16+x

how about some parentheses, so we know what's where?

Also, it would be polite to indicate just what it is you want to know.

For starters, just enter your expression in the box at wolframalpha.com and it will show you the graph, its derivative and integral, and more.

Be sure to use enough parentheses so that it interprets your input correctly.