Question 1149579
<pre>f(x) = 6x+2

To find f(2x+1), start with

f(x) = 6x+2

Take out all the x's and replace them all with empty parentheses (   )

f(    ) = 6(    )+2

Put 2x+1 inside the empty parentheses

f(2x+1) = 6(2x+1)+2

Simplify only the right side:

f(2x+1) = 12x+6+2

f(2x+1) = 12x+8

Edwin</pre>