Find the value of the polynomial x2+ 2x + 5 when x = 0.

(a) 8

(b) 5

(c) 7

(d) 3

Solution:

Given polynomial is f(x) = x2 .+ 2x + 5

Substitute x = 0

We get x2 .+ 2x + 5 = 02+ 2(0) + 5

= 5

Hence option b is the answer.

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