Question

Researchers in Antarctica discovered a warm sea current under a glacier that is causing the glacier to melt. The ice shelf of the glacier had a thickness of approximately 450 m when it was first discovered. The thickness of the ice shelf is decreasing at an average rate of 0.06 m per day. Which function can be used to find the thickness of the ice shelf in meters x days since the discovery?

Answer 1

Answer:

t(x) = 450 - 0.06x

Step-by-step explanation:

Answer 2

The thickness of the ice decreasing at an average rate of 0.06 m per day is given by y = 450(0.99987)ˣ

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Let y represent the thickness of the ice after x days.

The thickness of the ice shelf is decreasing at an average rate of 0.06 m per day. Hence; (450 - 0.06)/450 = 0.99987, therefore:

y = 450(0.99987)ˣ

The thickness of the ice decreasing at an average rate of 0.06 m per day is given by y = 450(0.99987)ˣ

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