1 15 l 5 What is true about the behaviour of the function x) ' 4\" 5 as x ) '3' (right to left)? (x --> -5/4 means x is getting closer to -5/4, and the plus means X is "coming from above"; it's greater than -5/4. if there were a minus sign instead, that would mean X is approaching -5/4, but it's less than -5/4.) out of Select one: a. x) -) positive infinity b. f(x) is undefined 0. x) -) negative infinity d. x) -)0