For a right triangle with a fixed hypotenuse of 10 m
MATHEMATICS · Single correct · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation
Problem
For a right triangle with a fixed hypotenuse of 10 m, the length of one leg x is increasing at 1 m/s when x = 6 m. Which statement correctly describes the rate of change of the other leg y at that instant?
(a) y is increasing at 0.75 m/s.
(b) y is not changing.
(c) y is decreasing at 0.75 m/s.
(d) y is decreasing at 1.33 m/s.