Week 4a - Section 2 2 Derivative Applications: Problem Previous Problem List Next (1 point) A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 30 cm/s. Find the rate at which the area within the circle is increasing after: (a) 1 s (b) 3 s (c) 5 8 (What can can you conclude?) (a sq cm/sec (b) sq cm/sec (c) sq cm/sec Note: You can earn partial credit on this