If f(2)=5f(2) = 5f(2)=5 and fff is linear, find f(x)f(x)f(x).
f(x)=x+3f(x) = x + 3f(x)=x+3
f(x)=2x+1f(x) = 2x + 1f(x)=2x+1
f(x)=5xf(x) = 5xf(x)=5x
Cannot determine