This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: dt Â· y + sec 2 x Â· dx dt . ii) d dt ( âˆš sin y-x ) = 1 2 âˆš sin y Â· cos y Â· dy dt-1 . A) i) only B) ii) only C) both statements are correct D) neither statement is correct [ 2 ] 4. Find the equation of the tangent line to the curve deÂ±ned by x 2 y + 2 y = x 3-1 at P (1 , 0) . A) y = x B) y =-x C) y = x + 1 D) y = 2 x-1 E) None of the above. [ 2 ] 5. An expanding cell is in the shape of a sphere of radius r, and volume V = 4 3 Ï€r 3 . If the radius is increasing at 1 mm/hour then Â±nd the rate at which the volume is increasing (in mm 3 /hour) when the radius is 10 mm. A) 400 Ï€ 2 B) 40 Ï€ C) 400 3 Ï€ D) 400 Ï€ E) None of the above....
View Full Document
- Fall '07