Question

f(x)=2x+1 prove that f(3)-f(0)/f(2)-f(1) =3 ​

Answer 1

Replace x with each value then solve:

f(3) = 2(3) +1 = 7

f(0) = 2(0) +1 = 1

f(2) = 2(2) +1 = 5

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

Now you have:

7 -1 / 5 -3 = 6/2 = 3

Answer 2

Furute unfold = 3221111