A point on the graph of is moving along the curve in such a way that its x -coordinate is increasing at a rate of 2 units per second. At what rate is the y -coordinate decreasing at the instant the y -coordinate is equal to 10?
A)40 units per second
B)20 units per second
C)5 units per second
D)4 units per second
E)50 units per second

Question

A point on the graph of  is moving along the curve in such a way that its x -coordinate is increasing at a rate of 2 units per second. At what rate is the y -coordinate decreasing at the instant the y -coordinate is equal to 10?
A)40 units per second 
B)20 units per second 
C)5 units per second 
D)4 units per second 
E)50 units per second

Quizplus · Accepted Answer

The Answer of A point on the graph of  is moving along the curve in such a way that its x -coordinate is increasing at a rate of 2 units per second. At what rate is the y -coordinate decreasing at the instant the y -coordinate is equal to 10?
A)40 units per second 
B)20 units per second 
C)5 units per second 
D)4 units per second 
E)50 units per second

A Point on the Graph of Is Moving Along