Nikolas H.
asked • 09/28/22Limit Derivative
Use the limit definition of the derivative to find f'(x)=x^2+5
More
1 Expert Answer
Sonu K. answered • 09/28/22
Tutor
New to Wyzant
My name is Sonu .I have teaching experience of mathematics
fx =xsquare +5 then derivate is
f'x =2x
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Michael M.
lim [f(x+h)-f(x)]/h h-->0 [(x+h)^2+5-(x^2+5)]/h---plug in f(x+h) and f(x) [x^2+2xh+h^2+5-x^2-5]/h---expand [2xh+h^2]/h---simplify 2x+h---divide out h 2x+0=2x---plug in limit answer:2x Hope this helps!09/28/22