1. Find the value of the polynomial 5x - 4x^2 + 3 at
(i) r=0
(ii) x = -1
(iii) x = 2
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Answer:
(i) when x=0
5x-4x²+3
=5(0)-4(0)²+3
=0-0+3
=3
(ii) when x=(-1)
5x-4x²+3
=5(-1)-4(-1)²+3
= -5-4+3
= -9+3
= -6
(iii) when x=2
6x-4(2)²+3
=6(2)-4(2)²+3
=12-16+3
=15-16
= -1
Hope it helps you!!
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