Thread: sketch a graph question

Sketch a graph for a function f in each of the following cases
f'(x) and f''(x)>0

i dont get this question because i dont know what f is. by that i mean if f was an equation i think i would know what to do but it just says sketch f, what is f?
thanks!

f(x)=1/x

Originally Posted by narjsingh

Sketch a graph for a function f in each of the following cases
f'(x) and f''(x)>0

Draw any function which is increasing and concave up.
will work.

Originally Posted by MaxJasper

f(x)=1/x

That function has no first nor second derivative at