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Which is the initial value that shrinks an exponential growth function by 50%?

1/5
1/4
1/3
1/2

User Natxty
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Answer: 1/2 D :) on Edge

Explanation:

User Matt Scheurich
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Suppose that the exponential growth function is y = 4^x.

If x = 1, then y = 4^1 = 4.
If x = 3, then y = 4^3 = 64.

Let the initial value be 1/2.

The growth function is now y = 1/2 * 4^x.

If x =1, then y = 2 which is half of the y value before adding the 1/2.

If x = 3, then y = 1/2 * 64 = 32.

Answer: 1/2
User Tapan Nallan
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