If d/dx(f(3x^5))=9x^4
Find f'(x)
3 answers
nvm it's 3/5
say d/dx (g) = 9 x^4
then g = (9/5)x^5 + constant
so
f(3x^5) = (9/5) (3x^5)^5 + constant
f(x) = (9/5) x^5 + c
f'(x) = 9x
then g = (9/5)x^5 + constant
so
f(3x^5) = (9/5) (3x^5)^5 + constant
f(x) = (9/5) x^5 + c
f'(x) = 9x
I mean 9 x^4