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28 votes
Question 2 of 10Use the function below to find F(4).F(x)=5•(-)*5OA. 16OB.O C.O D.518532514

Question 2 of 10Use the function below to find F(4).F(x)=5•(-)*5OA. 16OB.O C.O D.518532514-example-1
User Into Numbers
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1 Answer

10 votes
10 votes

Solution:

Given:


f(x)=5\cdot((1)/(2))^x

f(4) means substitute x = 4 into the function

Hence,


\begin{gathered} f(4)=5\cdot((1)/(2))^4 \\ f(4)=5*((1)/(2))^4 \\ f(4)=5*(1^4)/(2^4) \\ f(4)=5*(1)/(16) \\ f(4)=(5)/(16) \end{gathered}

Therefore, the correct answer is OPTION A.

User Ibrahima Timera
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