functional notation:

(1 point) Consider the following functions: f = {(6, 1),(8,48),{3, 16}, (1,0)} 9(3) 2 93 6 Evaluate 2f(1) 9(3). How to Enter Answers: This answer is to be entered as an integer (positive or negative whole number]. Do not attempt to enter fractions, decimals, equations, or symbols (other than a negative sign). 2f(1) - 9(3) = a