onsider the following code:

mystery $<-$ function$($x$)\{$

if $($x $==1)\{$

return$($x $^2)$

$\}$ else $\{$

return$($x $^2+$ mystery$($x $-1))$

$\}$

$\}$

$($a$)(4$ points$)$ What is the value of the expression mystery$(4)?$

Answer:

$($b$)(6$ points$)$ In the space below, write a new version of this function mystery$2()$ that

does the same task without using recursion.

$2.(4$ points$)$ Which two of the four following lines of code are equivalent?

a$.$ "hello" $|>$ print$()$

b$.$ x $<-$ "hello" $|>$ print$()$

c$.$ print$("$hello$")$

d$.$ print $|>$ "hello"

Answer: