What is the criteria for a relation to be a function? unique D Question 4 f (z) =-(x-1) +4 Use the equation of the function to find each characteristic of the function. Please put any points as an ordered pair (x, y) and type the word "infinity" instead of using co. y-intercept: x-intercept(s): vertex: - Is this a maximum or minima? domain: range (use for this question, it will count as ): end behavior: interval where function is increasing: interval where function is decreasing