Question

The function F(x) is describe below F(x)=3+2 what is the value of F(5)

Answer 1

F(x) = input the x
3x+2
multiply it by 3 and add 2
3*x+2=
3*5+2=
15+2 =
17     

or if you meant 2x:

it would be the same just do:

3+2x
3+2*5
3+10
13