Answer:

Step-by-step explanation:
Given



Required
Determine the percentage of protein
First, we need to calculate the total:



Percentage of protein is calculated as thus:




Answer:
x = 2
Step-by-step explanation:
y = 
If the denominator is equal to zero , then y is undefined.
this discontinuity can be found by equating the denominator to zero and solving for x.
x - 2 = 0 ⇒ x = 2 is the point of discontinuity
Y+1=-3(x+2) .. hope this helps!
Answer:2
Step-by-step explanation: