Mathematics
OpenStudy (anonymous):

Verify by substitution that each given function is a solution of the given differential equation. y'=3x^2; y=x^3+7

OpenStudy (anonymous):

$y'=3x^2$ $\int\limits{3x^2}= x^3+C$ C here happens to be 7, I'm assuming.

OpenStudy (anonymous):

thanks!