Hi what is the answerr??

Given:

The rule of input and output function is:

To find:

The answer if we put 19.

Solution:

Consider the input and output function is:

Substitute , we get

Therefore, the required answer is 6.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

$6.42

step-by-step explanation: