Provide an Appropriate Response

question 287

Essay

Provide an appropriate response.
- $$\text { Does the graph of } f ( x ) = \left\{ \begin{array} { l l } 0 , & x > 0 \\5 , & x \leq 0\end{array} \text { have a vertical tangent at the point } ( 0,5 ) \right. \text { ? Give reasons for your answer. }$$

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Definitions:

Touchscreens

Input devices that allow users to interact with a computer or other devices by touching the screen directly with one or more fingers or a stylus.

Kilobyte

A unit of memory or data storage equal to 1,024 bytes.

Aspect Ratio

The width-to-height proportion of a monitor.

QWERTY Layout

A keyboard design for Latin-script alphabets, named for the first six keys on the top letter row of the keyboard, and widely used in computing.