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A fish is swimming at a constant rate toward the ocean floor. The equation y = -7x -3 can be used to represent this situation, where y is the depth of the fish in meters below sea level and x is the number of seconds the fish has been swimming.

Which statement best describes the depth of the fish, given this equation?

(A) From a starting position of 7 meters below sea level, the fish is descending 3 meters per second.
(B) From starting position of 7 meters below sea level, the fish is ascending 3 meters per second.
(C) From a starting position of 3 meters below sea level, the fish is descending 7 meters per second
(D) From a starting position of 3 meters below sea level, the fish is ascending 7 meters per second.

1 Answer

4 votes

Answer:

C

Explanation:

at starting time x = 0 the fish is at -3 meters

for each second the fish goes another -7 meters

User Fredrick Brennan
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