Question 1 1 pts Which symbol indicates that the variable is a function? For example, I want to define an anonymous function named f. Like any other variable, I start by typing and then define f. What comes immediately after the equals sign? Question 3 1 pts I want to create an anonymous function that takes input of x and outputs the quantity. Complete the function with all of the necessary code. Ignore that this problem is written on multiple lines. Pretend it is all on the same line. Do not use any whitespace in your answer. 3*x/exp(x)