The answer above is NOT correct. The answer above is NOT correct. d; Use implicit differentiation to find =2 forzPy=y25 10 dr Y d Use implicit differentiation to find dy for (zy)s'] + 17z = T By = ('+ help (formulas) d dz * (1) (x=1)(x=-1) 18 help (formulas) dx Hint: 1 2 Al lzast one of the answers above Is NOT correct A 4 foot tall person walks away from a 10 foot tall lamppost at a constant rate of 2 feet per second (a) What is the rate that the tip of the shadow moves away from the person when the person is 3 feet away from the pole?| 3 fisec help (numbers) (b) What is the rate that the tip of the shadow moves away from the lamppost when the person Is 3 feet away from the pole'?| 3 |I'I.fs-ec help (numbers) B2 Suppose that x is a differentiable function of and that y = 5z + 5, then Solve a Related Rates Problem. % =E] Use either % or z'(t)in your answer. A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2.4 ft/s. t a) How rapidly is the area enclosed by the ripple increasing when the radius is 2 feet? it 4 2when z = 5. then 2 ey JRANERDERY s = = The area is increasing at E] ft?/s. dt (b) How rapidly is the area enclosed by the ripple increasing at the end of 8.2 seconds? The area is increasing at l_] ft?/s. Sclve a Related Rates Problem. Astone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2.4 fi/s. (a) How rapidly is the area enclosed by the ripple increasing when the radius is 2 feet? The area is increasing at U ft%/s. (b) How rapidly is the area enclosed by the ripple increasing at the end of 8.2 seconds? The area is increasing at [T ft%/s 6 The answer above s NOT cofmect Solve a Related Rates Problam. A particle moves along the curve y = 322 + 7 In such a way that its z-coordinate is changing at a rate of 9 centimeters per second. At what rate s the particle's y-coordinate changing when the particle s at the point where z = 37 When the particle's z-coordinate is = 3, its y-coordinate is changing at a rate of 27 '|cm.rs