HI people, this will be kindergarden hw for you guys. PLease help! THANKS ALOT!(adsbygoogle = window.adsbygoogle || []).push({});

S=integral sign

10

S t^3 dt=f(x)

x

f'(x)=?

I say f'(x)=t^3, but it's not correct. WHY?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# SIMPLE QuesTion

**Physics Forums | Science Articles, Homework Help, Discussion**