Math Problem Statement
Solution
The image contains several calculus-related problems involving rates of change. Here's a breakdown and outline of the types of problems present:
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Problem 1: Rates of Change for a Rectangle
- A rectangle's length is increasing at a certain rate, while its width is decreasing at a different rate. We need to find how the area, perimeter, and diagonals of the rectangle change over time.
- Given values:
- (rate of change of length)
- (rate of change of width)
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Problem 2: Ladder Problem
- A ladder is sliding down a wall at a constant rate. The question involves determining the rate of change of the height of the ladder as the distance from the wall increases.
- Given:
- The ladder is 17 ft long.
- The ladder is moving away at 5 ft/sec.
- At some point, the base is 8 ft away from the wall.
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Problem 3: Kite Problem
- A kite is flying at a certain height and moving horizontally. We need to find the rate at which the string must be let out as the kite moves away.
- Given:
- The kite is at a height of 60 ft.
- The horizontal velocity of the kite is 3/4 ft/sec.
- The kite is 170 ft away from the child.
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Problem 4: Balloon Problem
- A balloon is inflating at a constant rate, and we need to find the rate at which the radius and surface area are changing.
- Given:
- The rate of volume change is 180 ft³/min.
- The radius is 3 ft at a certain instant.
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Problem 5: Dinghy Problem
- A dinghy is being pulled toward a dock, and the question involves calculating the rate at which the distance between the dinghy and the dock is decreasing.
- Given:
- The rope is being pulled at 3 ft/sec.
- The boat is 8 ft away from the dock.
I'll start solving these one by one. Let me know if you'd prefer a specific one first or if I should proceed with all of them in sequence!
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Math Problem Analysis
Mathematical Concepts
Rates of Change
Derivatives
Related Rates
Formulas
Area of a rectangle A = L * W
Perimeter of a rectangle P = 2(L + W)
Diagonal of a rectangle D = sqrt(L^2 + W^2)
Pythagorean Theorem c^2 = a^2 + b^2
Volume of a sphere V = (4/3)πr^3
Surface area of a sphere A = 4πr^2
Theorems
Pythagorean Theorem
Chain Rule of Derivatives
Suitable Grade Level
Grades 11-12 (Calculus)
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