These are the functions that return a value after their completion. A fruitful function must always return a value to where it is called from. A fruitful function can return any type of value may it be string, integer, boolean, etc. It is not necessary for a fruitful function to return the value of one variable, the value to be returned can be an array or a vector. A fruitful function can also return multiple values.
Answer:
D. Create a cell reference in a formula by typing in the cell name or clicking the cell.
Further Explanation:
To create a cell reference in a formula the following procedure is used:
First, click on the cell where you want to add formula.
After that, in the formula bar assign the equal (=) sign.
Now, you have two options to reference one or more cells. Select a cell or range of cells that you want to reference. You can color code the cell references and borders to make it easier to work with it. Here, you can expand the cell selection or corner of the border.
Again, now define the name by typing in the cell and press F3 key to select the paste name box.
Finally, create a reference in any formula by pressing Ctrl+Shift+Enter.
The answer is question mark (?). To create a query string, you add a question mark (?) immediately after a url, followed by the query string.
Media queries are used to associate a style sheet or style rule with a specific device or list of device features<span> .This technique is used for delivering a tailored style sheet to different devices and applying </span><span>CSS styles depending on a device's general type, specific characteristics or environment.
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