•Exercise:   Identifying Parts of Expressions
Exercise:   Identifying Parts of Expressions

Exercise: Identifying Parts of Expressions

Directions: Answer each of the following questions in the space provided:

  • How many arguments does the circle function take in(circle (* 3 10) "outline" "black")?

    3

  • How many arguments does the string-append function take in(string-append "Happy" "Halloween")?

    2

  • What is the name of the function being used in(* 4 5)?

    *

  • What is the name of the function being used in(string-length "Math is fun!")?

    string-length

  • What is the name of the outermost function being used in(rotate 45 (star 15 "solid" "orange"))?

    rotate (star is also a function, but not the one in the overall expression)

  • Is "outline" the name of a function or an argument in (triangle 48 "outline" "pink")?

    an argument

  • How many arguments does rotate expect in(rotate 45 (star 15 "solid" "orange"))?

    2

  • What is the first argument to the rotate function in(rotate 45 (star 15 "solid" "orange"))?

    45

  • What is the third argument to the star function in(rotate 45 (star 15 "solid" "orange"))?

    "orange"