Latest exam Aptitude Question SOLUTION: If f(x) = 2x^2 + 6x - 5, then [f(x + h) - f(x)]/h = a. 6x + 3h - 4 b. 4x + 2h - 3 c. 10x + 5h + 2 d. 10x + 5h - 3 e. 8x + 4h + 5 f. 4x + 2h + 6 g. none of these