Answer:
because they need to measure the dosages for the patients.
And because they need to know how to accurately measure the patients height, and weight so they know what dosage to give them.
Step-by-step explanation:
plz mark brainliest
Given:
The values of input and outputs are given
Output is increasing by 9 for the increase in x values.

It is B because u need enough for it to do it right
1. x = 118 2. x = -54 3. x = -54 4. x = -54