Use the graph of y=e* and transformations to sketch the exponential function f(x)= - ex+4. Determine the domain and range. Also, determine the y-intercept, and find the equation of the horizontal asymptote.Use the graphing tool to graph the function.What is the domain of f(x) = - ex+4?(Type your answer in interval notation.)What is the range of f(x) = - ex+4?(Type your answer in interval notation.)What is the y-intercept of f(x) =(Simplify your answer. Type an exact answer in terms of e.)