Question

se f(x)=2x+3 obter f (1/2)

Answer 1

f(x) = 2x + 3

f(1/2) = 2 . 1 + 3
                 --
                 2

f(1/2) = 1 + 3

f(1/2) = 4

Answer 2

f(1/2)= 2.(1/2)+3

f(1/2)=2/2+3

f(1/2)=1+3

f(1/2)=4