To find f(3) for the function f(x) = 2a + 3x + 9ax, we will substitute x = 3 into the function.
1. Start with the function:
f(x) = 2a + 3x + 9ax
2. Substitute x with 3:
f(3) = 2a + 3(3) + 9a(3)
3. Now calculate the individual terms:
- 3(3) = 9
- 9a(3) = 27a
This gives us:
f(3) = 2a + 9 + 27a
4. Combine the like terms:
f(3) = (2a + 27a) + 9 = 29a + 9
Finally, the value of f(3) is:
f(3) = 29a + 9
Remember, since a is a constant that is not equal to zero, this expression will provide a unique value for any specific value of a.