estion 3 ose that f is a function given as f(x) = plify the expression f(x + h). +h) = e an expression for f(x + h) - f(x). +h) - f(x)= T writing as a single fraction (using a common denominator), si x+h) - f(x) h x+h)- f(x) h == e derivative of the function at x is the limit of the difference