Question

Find the value of the polynomial 5x – 4x2 + 3 at 1/2

Answer 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

Answer 2

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