Which of the statements are true about the function f given by f(x)= 100 • e^x? Select all that apply. a. the y-intercept of the graph of f is at (0,100). b. the values of f increase when x increases.

c. the value of f when x = -1 is a little less than 40.

d. the value of f when x = 5 is less than 1.

e. the value of f is never 0.