03/22/19

#### f(x)=xe^(10x) Find the largest interval on which f(x) is concave upward.

f(x)=xe^(10x) Find the largest interval on which f(x) is concave upward.

03/19/19

#### Variation on Pythagoras: If $a^2 + b^2 = c^2$, then $a + b \\leq c\\sqrt{2}$?

This is a very interesting word problem that I came across in an old textbook of mine. So I know its got something to do with derivative of the Pythagorean Theorem using calculus, trigonometry,... more

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.