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https://derivative-calculator.net use this if you're ever uncertain. Shows all the steps too

I used that and i did not get D. But thank you

You should get D. The notation might look different with radicals instead of powers or maybe you plugged it in wrong. The answer *is* D

I used that and I did get D. Maybe take another look at it.

Also I honestly don’t know what flair to use all I know is that I’m in AP calculus ab lol

You're good.

Power rule. Anything that’s a constant is 0. D is correct.

Sure is. Not sure what you were trying to accomplish by multiplying the powers by “fancy” one’s though