Re: Simple function problem

Since this is a test assignment, did your instructor explicitly state that getting outside help is allowed?

Re: Simple function problem

I think I misused the word "test"! It's not an exam, but a test to prepare us for an upcoming exam and our future homework. So yes, outside help is allowed :)

Re: Simple function problem

I see, in that case, we know that for constant velocity distance equals velocity times time:

$\displaystyle d=vt$

Now, we also have a way to express the distance from the given function:

$\displaystyle d=7\left(\frac{750v}{v^2+2500} \right)$

Now, equate the two, and solve for $\displaystyle 0<v$, using the given value for $\displaystyle t$.

Re: Simple function problem

Re: Simple function problem