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Rus_ich [418]
3 years ago
15

Which function represents exponential decay? f(x) = One-half (three-halves) Superscript x f(x) = One-half (negative three-halves

) Superscript x f(x) = 4(negative two-thirds) Superscript x f(x) = 4(two-thirds) Superscript x
Mathematics
2 answers:
viva [34]3 years ago
10 0

Answer:

f(x) = 4(\frac{2}{3})^{x}

Step-by-step explanation:

The first function is given as, f(x) = \frac{1}{2}(\frac{3}{2})^{x}.

Now, the value of this function increases i.e. value of f(x) increases as the x-value increases because \frac{3}{2} > 1.

Now, the second function is given as, f(x) = \frac{1}{2}(- \frac{3}{2} )^{x}.

This function can not be considered as a continuous function because - \frac{3}{2} < 0.

Again, the third function is given as, f(x) = 4(- \frac{2}{3})^{x}.

This function can also not be considered as a continuous function because - \frac{2}{3} < 0.

Finally, the fourth function is given to be, f(x) = 4(\frac{2}{3})^{x}.

In this function, the value of f(x) continuously decreases as the value of x increases, because 0 < \frac{2}{3} < 1.

Therefore, this function represents exponential decay. (Answer)

juin [17]3 years ago
9 0

Answer:

D

Step-by-step explanation:

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