Find the value of the polynomial 5x - 4x2 + 3 at
(1) X=0
(ii) x = -1
(iii) x=2
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Step-by-step explanation:
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Step-by-step explanation:
Let f(x) = 5x−4x2+3
(i) When x = 0
f(0) = 5(0)-4(0)2+3
= 3
(ii) When x = -1
f(x) = 5x−4x2+3
f(−1) = 5(−1)−4(−1)2+3
= −5–4+3
= −6
(iii) When x = 2
f(x) = 5x−4x2+3
f(2) = 5(2)−4(2)2+3
= 10–16+3
= −3
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