Answer:
f(4) = 26
Explanation:
To solve this equation, you need to replace all x's with 4s. So you would make
f(4) = 6(4) + 2 (basically subsitiute x for 4)
Then, you just need to solve the equation! 6 x 4 is 24, and 24 plus two equals 26! Hope this makes sense!