Verified Answer :

W0lf93

Answer = 0.4

WORKINGS

Given the exponential function f(x) = 2(5/2)^-x

Let’s solve the negative exponent,
(a/b)^-x = (b/a) ^x
Therefore, f(x) = 2(5/2)^-x = 2(2/5) )^x

Therefore, the multiplicative rate of change for the function is 2/5
2/5 = 0.4

Answer:

The answer is A) 0.4

Step-by-step explanation:

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