Find the value of the polynomial 5x – 4x2 + 3 at 1/2
Answers
Answered by
1
Answer:
4.5
Step-by-step explanation:
f(x) = 5x - 4x^2 +3
f(1/2) = 5× 1/2 - 4× 1/4 + 3
= 2.5 - 1 + 3
= 4.5
Answered by
0
Answer:
p(x)=7
Step-by-step explanation:
5x-4x²+3
let be the polynomial p(x)=5x-4x²+3
x=1/2
》p(x) =1/2
=5(1/2)-4 (1/2)²+3
= (5/2)-4(1/4)+3
= (5/2)-4/4+3
=(5/2)-1+3
=(5/2) + 2
= (5+4)/2
= 5+2
=7
Therefore,,the value of 5x-4x²+3 is 7
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