Given the parent function f(x) = 2x, which graph shows f(x) + 1?
exponential function going through point 0, 2 and ending up on the right
exponential function going through point 0, 0 and ending down on the right
exponential function going through point 0, 0 and ending up on the right
exponential function going through point 0, 1.5 and ending up on the right