Question

PLZ HELP URGENT 30 POINTS!!!!!

Which of the following
functions maps 3 to -5

F(x)=4-x^2
F(x)=x-5
F(x)=-x+2
F(x)=x+8

Answer 1

F(x)=4-x^2

Explanation:

I am assuming that x=3 and y=-5

Put in x =3

F(3)=4-3^2 = 4-9 =-5 Yes

F(3)=3-5 = -2 No

F(3)=-3+2 = -1 No

F(3)=3+8=11 No