If f is a function such that , then which of the following statements must be true? (4 points) Question 5 options: 1) f(a) = f(b) = 2 2) The slope of the tangent line to the function at x = a is 2. 3) The average rate of change of the function on the interval [a, b] is 2 4) The linear approximation for f(x) at x = a is y = 2