Question

It will help you learn the material in this course if you learn the technical terms...

It will help you learn the material in this course if you learn the technical terms we use. This question wants you to identify which of the following are expressions. Check all that apply:

sqr

(+ 2 3)

+

(sqrt 2)

#i1.4142135623730951

1

)

0 0
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Answer #1

An expression must perform the certain operation which is valid.

sqr:

It has no certain meaning because sqr does not say any operation on particular value(s).

(+ 2 3):

It indicates the certain meaning that perform + operation between 2 and 3.

(sqrt 2):

It find the square root of 2 so it is an expression.

#i1.4142135623730951:

It is just a number since no certain operation hence it is not an expression.

1

It is just a number since no certain operation hence it is not an expression.

)

It is just a character, since no certain operation hence it is not an expression.

Option 2 and 4

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