MathLover1 Joined Jun 27, 2021 Messages 2,989 Reaction score 2,884 Jun 4, 2022 #2 20. you got f'(a)=20a^3, and since given a=-1, f'(-1)=20(-1)^3=-20 22.correct
nycmathguy Joined Jun 27, 2021 Messages 5,386 Reaction score 422 Jun 5, 2022 #3 MathLover1 said: 20. you got f'(a)=20a^3, and since given a=-1, f'(-1)=20(-1)^3=-20 22.correct Click to expand... Mira, My answer is -20 for question 20. I forgot to upload page 2 to question 20. Here it is:
MathLover1 said: 20. you got f'(a)=20a^3, and since given a=-1, f'(-1)=20(-1)^3=-20 22.correct Click to expand... Mira, My answer is -20 for question 20. I forgot to upload page 2 to question 20. Here it is: