Answer:
32/13.
Explanation:
Just substitute the value of x inside the respective functions. I assume you are asking for help in question 9 as you said "the given function"!
f(x) = (3x^2 + 2x - 1) / (4x + 1)
So f(3) = (3 * 3^2 + 2 * 3 - 1) / (4 * 3 + 1)
= (27 + 6 - 1) / (12 + 1)
= 32 / 13.