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At a Certain Instant the Length of One Leg of a Right

Question 9

Multiple Choice

At a certain instant the length of one leg of a right triangle is 6 m and is increasing at 2 m/min while the length of the other leg is 8 m and is decreasing at 3 m/min. How fast is the area of the triangle changing at that instant?


A) decreasing at 1 At a certain instant the length of one leg of a right triangle is 6 m and is increasing at 2 m/min while the length of the other leg is 8 m and is decreasing at 3 m/min. How fast is the area of the triangle changing at that instant? A) decreasing at 1 /min B) decreasing at 2 /min C) unchanging, holding steady D) increasing at 2 /min E) increasing at 1 /min /min
B) decreasing at 2 At a certain instant the length of one leg of a right triangle is 6 m and is increasing at 2 m/min while the length of the other leg is 8 m and is decreasing at 3 m/min. How fast is the area of the triangle changing at that instant? A) decreasing at 1 /min B) decreasing at 2 /min C) unchanging, holding steady D) increasing at 2 /min E) increasing at 1 /min /min
C) unchanging, holding steady
D) increasing at 2 At a certain instant the length of one leg of a right triangle is 6 m and is increasing at 2 m/min while the length of the other leg is 8 m and is decreasing at 3 m/min. How fast is the area of the triangle changing at that instant? A) decreasing at 1 /min B) decreasing at 2 /min C) unchanging, holding steady D) increasing at 2 /min E) increasing at 1 /min /min
E) increasing at 1 At a certain instant the length of one leg of a right triangle is 6 m and is increasing at 2 m/min while the length of the other leg is 8 m and is decreasing at 3 m/min. How fast is the area of the triangle changing at that instant? A) decreasing at 1 /min B) decreasing at 2 /min C) unchanging, holding steady D) increasing at 2 /min E) increasing at 1 /min /min

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