i. p(x) = 3x + 5
p(0) = 3 × 0 + 5 = 5
p(1) = 3 × 1 + 5 = 8
p(-1) = 3 x - 1 + 5 = 2
ii. p(x) = 3x2 + 6x + 1
p(0) = 3 × 02 + 6 × 0 + 1 = 1
p(1) = 3 × 12 + 6 × 1 + 1 = 10
p(-1) = 3 × (-1)2 + 6 × (-1) + 1 = -2
iii. p(x) = 2x2 – 3x + 4
p(0) = 2 × 02 – 3 × 0 + 4 = 4
p(1) = 2 × 12 – 3 × 1 + 4 = 3
p(-1) =2 × (-1)2 – 3 × (-1) + 4 = 9
iv. p(x) = 4x3 + 2x2 + 3x + 7
p(0) = 4 × 03 + 2 × 02 + 3 × 0 +7 = 7
p(1) = 4 × 13 + 2 × 12 + 3 × 1 + 7 = 16
p(-1) = 4 × (-1)3 + 2 × (-1)2 + 3 × (-1) +7 = 2
v. p(x) = 5x3 – x2 + 2x – 3
p(0) = 5 × 03 – 02 + 2 × 0 – 3 =-3
p(1) = 5 × 13 – 12 + 2 × 1 – 3 = 3
p(-1) = 5 × (-1)3 – (-1)2 + 2 × (-1) – 3 = -11