Question

if f(x) equal 2(3x) plus 1, what is the value of f(2)

Answer 1

$f(x)=2(3^x)+1$

To find the value of f(2), you substitute the x in the equation by 2 and evaluate the equation:

$\begin{gathered} f(2)=2(3^2)+1 \\ f(2)=2(9)+1 \\ f(2)=18+1 \\ f(2)=19 \end{gathered}$Then, f(2) is 19