How would you describe the us dollar if the forein exchange rate between the us dollar and british pound changed from 1: 1 to 1: 0.7?

The first ratio is

That is, 1 US Dollar equals 1 British Pound.

Then, the last ratio is

Which means that for one US Dollar you would get 70 cents of a British Pound.

As you can see, the second represents a devaluation of the US Dollar against the British Pounds. It has a lower value.

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !

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step-by-step explanation: