Question

P(x) = 1/3 x^3 - 2/3x^2 + 5x + 7 , p =3​

Answer 1

Answer : The question should have x = 3 not p = 3 as we are going to be placing x's value.

So,

p(3) = 1/3 (3)^3 - 2/3(3)^2 + 5(3) + 7

= (3)^2 - 2/(3)^3 + 15 + 7

= 9 - 2/27 + 22

Answer 2

here is your answer mate.