0. #lang scheme
1.  
2. (define (function x) (if (<= x 3) 2 (> x 3) (- (expt x 2) (* 3 x))))
3.  
4.   (function -2)
5.   (function 1)
6.   (function 3)
7.   (function 5)
8.   (function 10)

=>

eval:2:0: if: bad syntax;

has 4 parts after keyword

in: (if (<= x 3) 2 (> x 3) (- (expt x 2) (* 3 x)))

function: undefined;

cannot reference an identifier before its definition

in module: 'm

function: undefined;

cannot reference an identifier before its definition

in module: 'm

function: undefined;

cannot reference an identifier before its definition

in module: 'm

function: undefined;

cannot reference an identifier before its definition

in module: 'm

function: undefined;

cannot reference an identifier before its definition

in module: 'm