How do I find f'(x) for f(x)=7(x^(4/5))-8(x^(6/7))?
I got as far as 5.6(x^(-1/5))-6.857(x^(-1/7)) but this does not appear to be either the final form of the answer or the correct answer according to the system I do homework on. I'm confused about the power rules, and would appreciate any help!
I got as far as 5.6(x^(-1/5))-6.857(x^(-1/7)) but this does not appear to be either the final form of the answer or the correct answer according to the system I do homework on. I'm confused about the power rules, and would appreciate any help!
1 Answer
Explanation:
Take the constant out
Simplify the exponents and then rewrite the terms by using the exponent rule
That's it!