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30 votes
30 votes
Find f(- 2) for
f(x) = 5 * {3}^(x)

Find f(- 2) for f(x) = 5 * {3}^(x)-example-1
User Randy Skretka
by
2.9k points

1 Answer

21 votes
21 votes

Given:


f(x)=5*3^x

Find: f(-2)

Explanation:

put x=-2 in the given equation.


\begin{gathered} f(x)=5*3^x \\ x=-2 \\ f(-2)=5*3^(-2) \\ f(-2)=(5)/(3^2) \\ f(-2)=(5)/(9) \end{gathered}

Final answer: the required answer is


(5)/(9)

User Hari
by
2.6k points