Quiz Stuff

Use a full sheet of 8½ x 11" paper. (Half sheet? Half credit!)
Put your last name and first initial in the far upper left hand corner!
No need to write out questions.
Numbering responses may help you avoid overlooking a question; it's ok to go ahead and pre-number your sheet.
Time: 3:30; five regular questions plus two EC questions
Can everybody see this line?

Quiz 3; January 30; 3:30 minutes; 1+2+1+1+1 points

Rewrite the following expression, removing unnecessary parentheses:
```
f(x) + g(y) + (3*y)
```
Rewrite the following function to use guards instead of if-else:
```
f x = if x > 3 then 10 else x
```
Add parentheses to the following type expression to reflect the associativity of ->
```
a -> Int -> Char
```
Recall that the head function returns the first element of a list. What is the type of head?
What's the value of the following expression? tail [3, 1, 5]

EC ½ point: What's the difference between Int and Num?

EC ½ point: :info ++ shows infixr 5 ++. What's interesting about that?