Question

find p(0) p(1) and p(2) for p(t)=2+t+2t²–t³

Answer 1

for p(0) put t=0 in expression....
p(0)=2
p(1)=4
p(5)=4+8-8=4

Answer 2

p(0)=2,,,
p(1)=4,,,
p(2)=8