Question

The depth of water at a dock can be modeled as y = 3 sin(x) +7. At low tide, the water is 4 feet

deep. What is the depth of water at high tide (its maximum point)?

Answer 1

Explanation:

At low tide depth = (3)(-1) + 7 = 4

at HIGH tide depth = (3) (+1) + 7 = 10 feet