Problem #6: A circular oil slick spreads in such a way that its radius is increasing at a rate of 9 mih. How fast is the area of the slick changing when the radius is 30 m? Round your answer to 2 decimals Just Save Submit Problem #5 for Grading Problem #s Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark Problem #7: The graph of f is given to the right. Which of the below graphs is a graph of its derivative f'? (A) (G) (H Just Save Submit Problem #7 for Grading Problem #7 | Attempt #1 Attempt #3 Attempt #3 four Anamar: Your Mark Problem #8: The graph of g is given to the right. Which of the below graphs is a graph of its derivative g'? (E) (G) Just Save Submit Problem #5 for Grading Problem #s | Attempt #1 Attempt #2 Attempt #3 Your Ansmar Your Mark