Respuesta :

Answer:

f(x)=5x-4x²+3

f(1)=5×1-4×1²+3

  • 5-4+3
  • 1+3
  • 4

hope it helps.

Step-by-step explanation:

5x - 4x^2 + 3

Now, put x = 1

=> 5(1) - 4(1)^2 + 3

=> 5 - 4 + 3

=> 8 - 4

=> 4 Ans.