Find the value of the polynomial at 5x + 4x2 + 3 at
Find the value of the polynomial at 5x + 4x2 + 3 at
(i) x = 0 (ii) x = - 1 (iii) x = 2
Answer
(i) p(x) = 5x + 4x2 + 3
p(0) = 5(0) + 4(0)2 + 3
= 3
(ii) p(x) = 5x + 4x2 + 3
p(-1) = 5(-1) + 4(-1)2 + 3
= 5 - 4(1) + 3 = -6
(iii) p(x) = 5x + 4x2 + 3
p(2) = 5(2) + 4(2)2 + 3
= 10 - 16 + 3 = -3
