Answer: f(3) = 145 ==> 1st option
Step-by-step explanation:
f(p) = 7p³ - 5p² + 1/3p
f(p) = 7p³ - 5p² + p/3
f(3) = 7(3)³ - 5(3)² + (3)/3
f(3) = 7(27) - 5(9) + 1
f(3) = 189 - 45 + 1
f(3) = 144 + 1
f(3) = 145 ==> 1st option
