Verify if y=e5xy = e^{5x}y=e5x is a solution to y′=5yy' = 5yy′=5y.
Yes, because the derivative is e5xe^{5x}e5x
Yes, because the derivative is 5e5x5e^{5x}5e5x
No, because 5e5x≠5e5x5e^{5x} \neq 5e^{5x}5e5x=5e5x
No, because the derivative should be e5xe^{5x}e5x