# FAQ: Functions - Single Expression Functions

This community-built FAQ covers the “Single Expression Functions” exercise from the lesson “Functions”.

Paths and Courses
This exercise can be found in the following Codecademy content:

## FAQs on the exercise Single Expression Functions

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I am really confused. In the first instruction we are told to construct a function that accepts “int” arguments but in the second instruction we are asked to invoke the function with the arguments `length` , `width` , `height` . But these are String types.

Plese help me with this exercise.

"

Not as we see them. They are all integers.